131983589 has 2 divisors, whose sum is σ = 131983590. Its totient is φ = 131983588.

The previous prime is 131983583. The next prime is 131983601. The reversal of 131983589 is 985389131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108847489 + 23136100 = 10433^2 + 4810^2 .

It is a cyclic number.

It is not a de Polignac number, because 131983589 - 2⁴ = 131983573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131983583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65991794 + 65991795.

It is an arithmetic number, because the mean of its divisors is an integer number (65991795).

Almost surely, 2^131983589 is an apocalyptic number.

It is an amenable number.

131983589 is a deficient number, since it is larger than the sum of its proper divisors (1).

131983589 is an equidigital number, since it uses as much as digits as its factorization.

131983589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 47.

The square root of 131983589 is about 11488.4110737734. The cubic root of 131983589 is about 509.1432353441.

The spelling of 131983589 in words is "one hundred thirty-one million, nine hundred eighty-three thousand, five hundred eighty-nine".