131448904 has 16 divisors (see below), whose sum is σ = 251117820. Its totient is φ = 64484160.

The previous prime is 131448899. The next prime is 131448929. The reversal of 131448904 is 409844131.

131448904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119902500 + 11546404 = 10950^2 + 3398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131448904.

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, 154587 + ... + 155434.

Almost surely, 2^131448904 is an apocalyptic number.

It is an amenable number.

131448904 is a deficient number, since it is larger than the sum of its proper divisors (119668916).

131448904 is a wasteful number, since it uses less digits than its factorization.

131448904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310080 (or 310076 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 131448904 is about 11465.1168332468. The cubic root of 131448904 is about 508.4547666772.

The spelling of 131448904 in words is "one hundred thirty-one million, four hundred forty-eight thousand, nine hundred four".