131573763 has 12 divisors (see below), whose sum is σ = 191219080. Its totient is φ = 87176736.

The previous prime is 131573759. The next prime is 131573779. The reversal of 131573763 is 367375131.

It is a happy number.

131573763 is a `hidden beast` number, since 13 + 1 + 573 + 76 + 3 = 666.

It is not a de Polignac number, because 131573763 - 2² = 131573759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131573723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43378 + ... + 46311.

Almost surely, 2^131573763 is an apocalyptic number.

131573763 is a deficient number, since it is larger than the sum of its proper divisors (59645317).

131573763 is a wasteful number, since it uses less digits than its factorization.

131573763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89858 (or 89855 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 131573763 is about 11470.5607099217. The cubic root of 131573763 is about 508.6157038971.

It can be divided in two parts, 1315 and 73763, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 131573763 in words is "one hundred thirty-one million, five hundred seventy-three thousand, seven hundred sixty-three".