131445407574 has 48 divisors (see below), whose sum is σ = 322848380400. Its totient is φ = 38316068928.

The previous prime is 131445407573. The next prime is 131445407623. The reversal of 131445407574 is 475704544131.

131445407574 is a `hidden beast` number, since 1 + 31 + 4 + 4 + 5 + 40 + 7 + 574 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131445407573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14777989 + ... + 14786880.

It is an arithmetic number, because the mean of its divisors is an integer number (6726007925).

Almost surely, 2^131445407574 is an apocalyptic number.

131445407574 is an abundant number, since it is smaller than the sum of its proper divisors (191402972826).

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

131445407574 is a wasteful number, since it uses less digits than its factorization.

131445407574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29564909 (or 29564906 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 131445407574 in words is "one hundred thirty-one billion, four hundred forty-five million, four hundred seven thousand, five hundred seventy-four".