91134936132 has 24 divisors (see below), whose sum is σ = 225156901536. Its totient is φ = 28591352448.

The previous prime is 91134936107. The next prime is 91134936143. The reversal of 91134936132 is 23163943119.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223369738 + ... + 223370145.

It is an arithmetic number, because the mean of its divisors is an integer number (9381537564).

Almost surely, 2^91134936132 is an apocalyptic number.

It is an amenable number.

91134936132 is an abundant number, since it is smaller than the sum of its proper divisors (134021965404).

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

91134936132 is a wasteful number, since it uses less digits than its factorization.

91134936132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446739907 (or 446739905 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The spelling of 91134936132 in words is "ninety-one billion, one hundred thirty-four million, nine hundred thirty-six thousand, one hundred thirty-two".