131537394275 has 24 divisors (see below), whose sum is σ = 186424091904. Its totient is φ = 90188935200.

The previous prime is 131537394257. The next prime is 131537394283. The reversal of 131537394275 is 572493735131.

It is a de Polignac number, because none of the positive numbers 2^k-131537394275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2416610 + ... + 2470440.

It is an arithmetic number, because the mean of its divisors is an integer number (7767670496).

Almost surely, 2^131537394275 is an apocalyptic number.

131537394275 is a deficient number, since it is larger than the sum of its proper divisors (54886697629).

131537394275 is a wasteful number, since it uses less digits than its factorization.

131537394275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67811 (or 67806 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 50.

The spelling of 131537394275 in words is "one hundred thirty-one billion, five hundred thirty-seven million, three hundred ninety-four thousand, two hundred seventy-five".