131257576 has 8 divisors (see below), whose sum is σ = 246107970. Its totient is φ = 65628784.

The previous prime is 131257559. The next prime is 131257579. The reversal of 131257576 is 675752131.

131257576 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 only one way, i.e., 111809476 + 19448100 = 10574^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (131257579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8203591 + ... + 8203606.

Almost surely, 2^131257576 is an apocalyptic number.

It is an amenable number.

131257576 is a deficient number, since it is larger than the sum of its proper divisors (114850394).

131257576 is a wasteful number, since it uses less digits than its factorization.

131257576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16407203 (or 16407199 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 131257576 is about 11456.7698763657. The cubic root of 131257576 is about 508.2079562749.

The spelling of 131257576 in words is "one hundred thirty-one million, two hundred fifty-seven thousand, five hundred seventy-six".