91136076 has 12 divisors (see below), whose sum is σ = 212650872. Its totient is φ = 30378688.

The previous prime is 91136057. The next prime is 91136077. The reversal of 91136076 is 67063119.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (91136077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797325 + ... + 3797348.

It is an arithmetic number, because the mean of its divisors is an integer number (17720906).

Almost surely, 2^91136076 is an apocalyptic number.

It is an amenable number.

91136076 is an abundant number, since it is smaller than the sum of its proper divisors (121514796).

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

91136076 is a wasteful number, since it uses less digits than its factorization.

91136076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594680 (or 7594678 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 91136076 is about 9546.5216702210. The cubic root of 91136076 is about 450.0182313601.

The spelling of 91136076 in words is "ninety-one million, one hundred thirty-six thousand, seventy-six".