131170439 has 8 divisors (see below), whose sum is σ = 138002928. Its totient is φ = 124511040.

The previous prime is 131170423. The next prime is 131170463. The reversal of 131170439 is 934071131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131170439 - 2⁴ = 131170423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131170409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41717 + ... + 44750.

It is an arithmetic number, because the mean of its divisors is an integer number (17250366).

Almost surely, 2^131170439 is an apocalyptic number.

131170439 is a deficient number, since it is larger than the sum of its proper divisors (6832489).

131170439 is an equidigital number, since it uses as much as digits as its factorization.

131170439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86545.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 131170439 is about 11452.9663843041. The cubic root of 131170439 is about 508.0954712891.

The spelling of 131170439 in words is "one hundred thirty-one million, one hundred seventy thousand, four hundred thirty-nine".