131927774562 has 12 divisors (see below), whose sum is σ = 285843511590. Its totient is φ = 43975924848.

The previous prime is 131927774549. The next prime is 131927774567. The reversal of 131927774562 is 265477729131.

131927774562 is a `hidden beast` number, since 1 + 3 + 1 + 9 + 2 + 7 + 7 + 74 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116929118601 + 14998655961 = 341949^2 + 122469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131927774499 and 131927774508.

It is not an unprimeable number, because it can be changed into a prime (131927774567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3664660387 + ... + 3664660422.

Almost surely, 2^131927774562 is an apocalyptic number.

131927774562 is an abundant number, since it is smaller than the sum of its proper divisors (153915737028).

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

131927774562 is a wasteful number, since it uses less digits than its factorization.

131927774562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329320817 (or 7329320814 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The spelling of 131927774562 in words is "one hundred thirty-one billion, nine hundred twenty-seven million, seven hundred seventy-four thousand, five hundred sixty-two".