131321437264 has 20 divisors (see below), whose sum is σ = 256813187904. Its totient is φ = 65047066208.

The previous prime is 131321437241. The next prime is 131321437283. The reversal of 131321437264 is 462734123131.

131321437264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38351512 + ... + 38354935.

Almost surely, 2^131321437264 is an apocalyptic number.

It is an amenable number.

131321437264 is a deficient number, since it is larger than the sum of its proper divisors (125491750640).

131321437264 is a wasteful number, since it uses less digits than its factorization.

131321437264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76706562 (or 76706556 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The spelling of 131321437264 in words is "one hundred thirty-one billion, three hundred twenty-one million, four hundred thirty-seven thousand, two hundred sixty-four".