131444992 has 36 divisors (see below), whose sum is σ = 299862976. Its totient is φ = 56332800.

The previous prime is 131444987. The next prime is 131445011. The reversal of 131444992 is 299444131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34884 + ... + 38467.

Almost surely, 2^131444992 is an apocalyptic number.

It is an amenable number.

131444992 is an abundant number, since it is smaller than the sum of its proper divisors (168417984).

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

131444992 is an frugal number, since it uses more digits than its factorization.

131444992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73374 (or 73360 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 131444992 is about 11464.9462275233. The cubic root of 131444992 is about 508.4497226519.

The spelling of 131444992 in words is "one hundred thirty-one million, four hundred forty-four thousand, nine hundred ninety-two".