131373568128 has 96 divisors (see below), whose sum is σ = 383568882480. Its totient is φ = 39810158080.

The previous prime is 131373568127. The next prime is 131373568163. The reversal of 131373568128 is 821865373131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (131373568127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1367250 + ... + 1460177.

Almost surely, 2^131373568128 is an apocalyptic number.

It is an amenable number.

131373568128 is an abundant number, since it is smaller than the sum of its proper divisors (252195314352).

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

131373568128 is a wasteful number, since it uses less digits than its factorization.

131373568128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827466 (or 2827443 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 131373568128 in words is "one hundred thirty-one billion, three hundred seventy-three million, five hundred sixty-eight thousand, one hundred twenty-eight".