131488944 has 20 divisors (see below), whose sum is σ = 339679896. Its totient is φ = 43829632.

The previous prime is 131488933. The next prime is 131488961. The reversal of 131488944 is 449884131.

It is a junction number, because it is equal to n+sod(n) for n = 131488896 and 131488905.

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, 1369629 + ... + 1369724.

Almost surely, 2^131488944 is an apocalyptic number.

It is an amenable number.

131488944 is an abundant number, since it is smaller than the sum of its proper divisors (208190952).

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

131488944 is a wasteful number, since it uses less digits than its factorization.

131488944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739364 (or 2739358 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 131488944 is about 11466.8628665385. The cubic root of 131488944 is about 508.5063873995.

The spelling of 131488944 in words is "one hundred thirty-one million, four hundred eighty-eight thousand, nine hundred forty-four".