131807039 has 16 divisors (see below), whose sum is σ = 163329600. Its totient is φ = 103576320.

The previous prime is 131807033. The next prime is 131807057. The reversal of 131807039 is 930708131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131807039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131806996 and 131807014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131807033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8699 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (10208100).

Almost surely, 2^131807039 is an apocalyptic number.

131807039 is a deficient number, since it is larger than the sum of its proper divisors (31522561).

131807039 is a wasteful number, since it uses less digits than its factorization.

131807039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 131807039 is about 11480.7246722496. The cubic root of 131807039 is about 508.9161127923.

It can be divided in two parts, 1318070 and 39, that multiplied together give a triangular number (51404730 = T₁₀₁₃₉).

The spelling of 131807039 in words is "one hundred thirty-one million, eight hundred seven thousand, thirty-nine".