131900044 has 12 divisors (see below), whose sum is σ = 232160544. Its totient is φ = 65568464.

The previous prime is 131900039. The next prime is 131900051. The reversal of 131900044 is 440009131.

It is a junction number, because it is equal to n+sod(n) for n = 131899988 and 131900024.

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, 94612 + ... + 95995.

It is an arithmetic number, because the mean of its divisors is an integer number (19346712).

Almost surely, 2^131900044 is an apocalyptic number.

It is an amenable number.

131900044 is a deficient number, since it is larger than the sum of its proper divisors (100260500).

131900044 is a wasteful number, since it uses less digits than its factorization.

131900044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190784 (or 190782 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 131900044 is about 11484.7744427133. The cubic root of 131900044 is about 509.0357842330.

Adding to 131900044 its reverse (440009131), we get a palindrome (571909175).

The spelling of 131900044 in words is "one hundred thirty-one million, nine hundred thousand, forty-four".