131589 has 6 divisors (see below), whose sum is σ = 190086. Its totient is φ = 87720.

The previous prime is 131581. The next prime is 131591. The reversal of 131589 is 985131.

131589 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in only one way, i.e., 66564 + 65025 = 258^2 + 255^2 .

It is not a de Polignac number, because 131589 - 2³ = 131581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7302 + ... + 7319.

It is an arithmetic number, because the mean of its divisors is an integer number (31681).

2¹³¹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

131589 is a deficient number, since it is larger than the sum of its proper divisors (58497).

131589 is a wasteful number, since it uses less digits than its factorization.

131589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14627 (or 14624 counting only the distinct ones).

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

The square root of 131589 is about 362.7519813867. The cubic root of 131589 is about 50.8635336682.

The spelling of 131589 in words is "one hundred thirty-one thousand, five hundred eighty-nine".