131089579 has 2 divisors, whose sum is σ = 131089580. Its totient is φ = 131089578.

The previous prime is 131089577. The next prime is 131089633. The reversal of 131089579 is 975980131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131089579 - 2¹ = 131089577 is a prime.

Together with 131089577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131089573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65544789 + 65544790.

It is an arithmetic number, because the mean of its divisors is an integer number (65544790).

Almost surely, 2^131089579 is an apocalyptic number.

131089579 is a deficient number, since it is larger than the sum of its proper divisors (1).

131089579 is an equidigital number, since it uses as much as digits as its factorization.

131089579 is an odious number, because the sum of its binary digits is odd.

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

The square root of 131089579 is about 11449.4357502892. The cubic root of 131089579 is about 507.9910446992.

The spelling of 131089579 in words is "one hundred thirty-one million, eighty-nine thousand, five hundred seventy-nine".