131512551874 has 48 divisors (see below), whose sum is σ = 228501362880. Its totient is φ = 56612996000.

The previous prime is 131512551869. The next prime is 131512551887. The reversal of 131512551874 is 478155215131.

It is a self number, because there is not a number n which added to its sum of digits gives 131512551874.

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, 445197 + ... + 679135.

It is an arithmetic number, because the mean of its divisors is an integer number (4760445060).

Almost surely, 2^131512551874 is an apocalyptic number.

131512551874 is a deficient number, since it is larger than the sum of its proper divisors (96988811006).

131512551874 is a wasteful number, since it uses less digits than its factorization.

131512551874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234087 (or 234076 counting only the distinct ones).

The product of its digits is 168000, while the sum is 43.

It can be divided in two parts, 131512 and 551874, that added together give a palindrome (683386).

The spelling of 131512551874 in words is "one hundred thirty-one billion, five hundred twelve million, five hundred fifty-one thousand, eight hundred seventy-four".