131813064364 has 6 divisors (see below), whose sum is σ = 230672862644. Its totient is φ = 65906532180.

The previous prime is 131813064307. The next prime is 131813064389. The reversal of 131813064364 is 463460318131.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16476633042 + ... + 16476633049.

Almost surely, 2^131813064364 is an apocalyptic number.

It is an amenable number.

131813064364 is a deficient number, since it is larger than the sum of its proper divisors (98859798280).

131813064364 is a wasteful number, since it uses less digits than its factorization.

131813064364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32953266095 (or 32953266093 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 131813064364 in words is "one hundred thirty-one billion, eight hundred thirteen million, sixty-four thousand, three hundred sixty-four".