131873648 has 20 divisors (see below), whose sum is σ = 257896440. Its totient is φ = 65319744.

The previous prime is 131873611. The next prime is 131873653. The reversal of 131873648 is 846378131.

131873648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 36803 + ... + 40226.

It is an arithmetic number, because the mean of its divisors is an integer number (12894822).

Almost surely, 2^131873648 is an apocalyptic number.

It is an amenable number.

131873648 is a deficient number, since it is larger than the sum of its proper divisors (126022792).

131873648 is a wasteful number, since it uses less digits than its factorization.

131873648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77144 (or 77138 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 131873648 is about 11483.6252115784. The cubic root of 131873648 is about 509.0018256773.

The spelling of 131873648 in words is "one hundred thirty-one million, eight hundred seventy-three thousand, six hundred forty-eight".