131512643276 has 24 divisors (see below), whose sum is σ = 274461169920. Its totient is φ = 53912014992.

The previous prime is 131512643267. The next prime is 131512643281. The reversal of 131512643276 is 672346215131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102105446 + ... + 102106733.

It is an arithmetic number, because the mean of its divisors is an integer number (11435882080).

Almost surely, 2^131512643276 is an apocalyptic number.

It is an amenable number.

131512643276 is an abundant number, since it is smaller than the sum of its proper divisors (142948526644).

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

131512643276 is a wasteful number, since it uses less digits than its factorization.

131512643276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204212213 (or 204212211 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 131512643276 in words is "one hundred thirty-one billion, five hundred twelve million, six hundred forty-three thousand, two hundred seventy-six".