131790056 has 16 divisors (see below), whose sum is σ = 250084800. Its totient is φ = 65100784.

The previous prime is 131790037. The next prime is 131790077. The reversal of 131790056 is 650097131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98576 + ... + 99903.

It is an arithmetic number, because the mean of its divisors is an integer number (15630300).

Almost surely, 2^131790056 is an apocalyptic number.

It is an amenable number.

131790056 is a deficient number, since it is larger than the sum of its proper divisors (118294744).

131790056 is a wasteful number, since it uses less digits than its factorization.

131790056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198568 (or 198564 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 131790056 is about 11479.9850174118. The cubic root of 131790056 is about 508.8942543401.

The spelling of 131790056 in words is "one hundred thirty-one million, seven hundred ninety thousand, fifty-six".