This Surah is a Meccan Surah. It has been narrated from Qattadah and Dahhak who said this Surah is a Meccan one, except verses 163-165 which were revealed in Medina.
The number of its verses, as kufians and Hejazians have numerated, is 206.
'Ubayy-ibn-Ka'b, a leading commentator, has narrated from the Holy Prophet of Islam (S) who said:
"Whoever recites Surah Al-A'raf, Allah will set a curtain between him and the Satan and, on the Day of Judgment Adam (as) will be his intercessor."
Ayyashi, another commentator, by the way of his teacher Abu Basir, has narrated from Imam Sadiq (as) who said:
"Whoever recites Surah Al-'A'raf every month, will be among those that no fear shall be upon them, nor shall they grieve."