131660044 has 12 divisors (see below), whose sum is σ = 242531800. Its totient is φ = 62365248.

The previous prime is 131660041. The next prime is 131660077. The reversal of 131660044 is 440066131.

It is not an unprimeable number, because it can be changed into a prime (131660041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866109 + ... + 866260.

Almost surely, 2^131660044 is an apocalyptic number.

It is an amenable number.

131660044 is a deficient number, since it is larger than the sum of its proper divisors (110871756).

131660044 is a wasteful number, since it uses less digits than its factorization.

131660044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732392 (or 1732390 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 131660044 is about 11474.3210692398. The cubic root of 131660044 is about 508.7268564592.

The spelling of 131660044 in words is "one hundred thirty-one million, six hundred sixty thousand, forty-four".