131589263 has 4 divisors (see below), whose sum is σ = 141711528. Its totient is φ = 121467000.

The previous prime is 131589253. The next prime is 131589277. The reversal of 131589263 is 362985131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362985131 = 683 ⋅531457.

It is a cyclic number.

It is not a de Polignac number, because 131589263 - 2⁴ = 131589247 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 (131589253) 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, 5061113 + ... + 5061138.

It is an arithmetic number, because the mean of its divisors is an integer number (35427882).

Almost surely, 2^131589263 is an apocalyptic number.

131589263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131589263 is a deficient number, since it is larger than the sum of its proper divisors (10122265).

131589263 is a wasteful number, since it uses less digits than its factorization.

131589263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122264.

The product of its digits is 38880, while the sum is 38.

The square root of 131589263 is about 11471.2363326714. The cubic root of 131589263 is about 508.6356755431.

The spelling of 131589263 in words is "one hundred thirty-one million, five hundred eighty-nine thousand, two hundred sixty-three".