131034439 has 4 divisors (see below), whose sum is σ = 131058000. Its totient is φ = 131010880.

The previous prime is 131034389. The next prime is 131034451. The reversal of 131034439 is 934430131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131034439 - 2⁷ = 131034311 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 (131034479) 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, 1719 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (32764500).

Almost surely, 2^131034439 is an apocalyptic number.

131034439 is a deficient number, since it is larger than the sum of its proper divisors (23561).

131034439 is an equidigital number, since it uses as much as digits as its factorization.

131034439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23560.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 131034439 is about 11447.0275180939. The cubic root of 131034439 is about 507.9198095568.

The spelling of 131034439 in words is "one hundred thirty-one million, thirty-four thousand, four hundred thirty-nine".