131752439 has 16 divisors (see below), whose sum is σ = 162453312. Its totient is φ = 104053248.

The previous prime is 131752429. The next prime is 131752447. The reversal of 131752439 is 934257131.

It is not a de Polignac number, because 131752439 - 2⁸ = 131752183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131752399 and 131752408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131752429) 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, 69407 + ... + 71279.

It is an arithmetic number, because the mean of its divisors is an integer number (10153332).

Almost surely, 2^131752439 is an apocalyptic number.

131752439 is a deficient number, since it is larger than the sum of its proper divisors (30700873).

131752439 is a wasteful number, since it uses less digits than its factorization.

131752439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666.

The product of its digits is 22680, while the sum is 35.

The square root of 131752439 is about 11478.3465272660. The cubic root of 131752439 is about 508.8458316255.

The spelling of 131752439 in words is "one hundred thirty-one million, seven hundred fifty-two thousand, four hundred thirty-nine".