8091136 has 20 divisors (see below), whose sum is σ = 16167492. Its totient is φ = 4045312.

The previous prime is 8091119. The next prime is 8091143. The reversal of 8091136 is 6311908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7390 + ... + 8413.

Almost surely, 2^8091136 is an apocalyptic number.

It is an amenable number.

8091136 is a deficient number, since it is larger than the sum of its proper divisors (8076356).

8091136 is an equidigital number, since it uses as much as digits as its factorization.

8091136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8091136 is about 2844.4922218210. The cubic root of 8091136 is about 200.7566008333.

The spelling of 8091136 in words is "eight million, ninety-one thousand, one hundred thirty-six".