131279488 has 16 divisors (see below), whose sum is σ = 261533610. Its totient is φ = 65639680.

The previous prime is 131279419. The next prime is 131279537. The reversal of 131279488 is 884972131.

It can be written as a sum of positive squares in only one way, i.e., 131056704 + 222784 = 11448^2 + 472^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512683 + ... + 512938.

Almost surely, 2^131279488 is an apocalyptic number.

It is an amenable number.

131279488 is a deficient number, since it is larger than the sum of its proper divisors (130254122).

131279488 is an equidigital number, since it uses as much as digits as its factorization.

131279488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025635 (or 1025623 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 131279488 is about 11457.7261269416. The cubic root of 131279488 is about 508.2362345998.

The spelling of 131279488 in words is "one hundred thirty-one million, two hundred seventy-nine thousand, four hundred eighty-eight".