91140696 has 24 divisors (see below), whose sum is σ = 246839580. Its totient is φ = 30380208.

The previous prime is 91140667. The next prime is 91140733. The reversal of 91140696 is 69604119.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 91140696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632850 + ... + 632993.

Almost surely, 2^91140696 is an apocalyptic number.

It is an amenable number.

91140696 is an abundant number, since it is smaller than the sum of its proper divisors (155698884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91140696 is a wasteful number, since it uses less digits than its factorization.

91140696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265855 (or 1265848 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 91140696 is about 9546.7636401034. The cubic root of 91140696 is about 450.0258355537.

The spelling of 91140696 in words is "ninety-one million, one hundred forty thousand, six hundred ninety-six".