131513525045442 has 48 divisors (see below), whose sum is σ = 294772871016000. Its totient is φ = 42326022971232.

The previous prime is 131513525045437. The next prime is 131513525045521. The reversal of 131513525045442 is 244540525315131.

131513525045442 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 1 + 3 + 52 + 50 + 4 + 544 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245479059 + ... + 246014217.

It is an arithmetic number, because the mean of its divisors is an integer number (6141101479500).

Almost surely, 2^{131513525045442} is an apocalyptic number.

131513525045442 is an abundant number, since it is smaller than the sum of its proper divisors (163259345970558).

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

131513525045442 is a wasteful number, since it uses less digits than its factorization.

131513525045442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005975 (or 1005972 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 131513525045442 in words is "one hundred thirty-one trillion, five hundred thirteen billion, five hundred twenty-five million, forty-five thousand, four hundred forty-two".