131970589 has 8 divisors (see below), whose sum is σ = 133115000. Its totient is φ = 130830336.

The previous prime is 131970577. The next prime is 131970607. The reversal of 131970589 is 985079131.

It can be written as a sum of positive squares in 4 ways, for example, as 3034564 + 128936025 = 1742^2 + 11355^2 .

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 131970589 - 2⁵ = 131970557 is a prime.

It is a super-2 number, since 2×131970589² = 34832472722013842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131970989) 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, 105037 + ... + 106285.

It is an arithmetic number, because the mean of its divisors is an integer number (16639375).

Almost surely, 2^131970589 is an apocalyptic number.

It is an amenable number.

131970589 is a deficient number, since it is larger than the sum of its proper divisors (1144411).

131970589 is a wasteful number, since it uses less digits than its factorization.

131970589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 131970589 is about 11487.8452722867. The cubic root of 131970589 is about 509.1265184189.

The spelling of 131970589 in words is "one hundred thirty-one million, nine hundred seventy thousand, five hundred eighty-nine".