131859 has 36 divisors (see below), whose sum is σ = 248976. Its totient is φ = 66528.

The previous prime is 131849. The next prime is 131861. The reversal of 131859 is 958131.

131859 = 15³ + 16³ + ... + 27³.

It is not a de Polignac number, because 131859 - 2⁷ = 131731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131839) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5722 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (6916).

2¹³¹⁸⁵⁹ is an apocalyptic number.

131859 is a deficient number, since it is larger than the sum of its proper divisors (117117).

131859 is a wasteful number, since it uses less digits than its factorization.

131859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 46 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 131859 is about 363.1239457816. The cubic root of 131859 is about 50.8982979014.

It can be divided in two parts, 131 and 859, that added together give a triangular number (990 = T₄₄).

The spelling of 131859 in words is "one hundred thirty-one thousand, eight hundred fifty-nine".