131583839 has 8 divisors (see below), whose sum is σ = 133135392. Its totient is φ = 130037760.

The previous prime is 131583833. The next prime is 131583857. The reversal of 131583839 is 938385131.

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 131583839 - 2²⁴ = 114806623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131583796 and 131583805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131583833) 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, 65027 + ... + 67019.

It is an arithmetic number, because the mean of its divisors is an integer number (16641924).

Almost surely, 2^131583839 is an apocalyptic number.

131583839 is a deficient number, since it is larger than the sum of its proper divisors (1551553).

131583839 is a wasteful number, since it uses less digits than its factorization.

131583839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737.

The product of its digits is 77760, while the sum is 41.

The square root of 131583839 is about 11470.9999128236. Note that the first 4 decimals coincide. The cubic root of 131583839 is about 508.6286869338.

The spelling of 131583839 in words is "one hundred thirty-one million, five hundred eighty-three thousand, eight hundred thirty-nine".