91136674124 has 12 divisors (see below), whose sum is σ = 159491317944. Its totient is φ = 45567726144.

The previous prime is 91136674099. The next prime is 91136674129. The reversal of 91136674124 is 42147663119.

It is not an unprimeable number, because it can be changed into a prime (91136674129) 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, 429764 + ... + 605780.

It is an arithmetic number, because the mean of its divisors is an integer number (13290943162).

Almost surely, 2^91136674124 is an apocalyptic number.

It is an amenable number.

91136674124 is a deficient number, since it is larger than the sum of its proper divisors (68354643820).

91136674124 is a wasteful number, since it uses less digits than its factorization.

91136674124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305464 (or 305462 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The spelling of 91136674124 in words is "ninety-one billion, one hundred thirty-six million, six hundred seventy-four thousand, one hundred twenty-four".