131507276 has 12 divisors (see below), whose sum is σ = 230593440. Its totient is φ = 65623440.

The previous prime is 131507273. The next prime is 131507281. The reversal of 131507276 is 672705131.

It is not an unprimeable number, because it can be changed into a prime (131507273) 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, 30260 + ... + 34331.

It is an arithmetic number, because the mean of its divisors is an integer number (19216120).

Almost surely, 2^131507276 is an apocalyptic number.

It is an amenable number.

131507276 is a deficient number, since it is larger than the sum of its proper divisors (99086164).

131507276 is a wasteful number, since it uses less digits than its factorization.

131507276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65104 (or 65102 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 131507276 is about 11467.6621854674. The cubic root of 131507276 is about 508.5300180451.

It can be divided in two parts, 131 and 507276, that multiplied together give a triangular number (66453156 = T₁₁₅₂₈).

The spelling of 131507276 in words is "one hundred thirty-one million, five hundred seven thousand, two hundred seventy-six".