131379089 has 2 divisors, whose sum is σ = 131379090. Its totient is φ = 131379088.

The previous prime is 131379011. The next prime is 131379109. The reversal of 131379089 is 980973131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113060689 + 18318400 = 10633^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 131379089 - 2²⁴ = 114601873 is a prime.

It is not a weakly prime, because it can be changed into another prime (131399089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65689544 + 65689545.

It is an arithmetic number, because the mean of its divisors is an integer number (65689545).

Almost surely, 2^131379089 is an apocalyptic number.

It is an amenable number.

131379089 is a deficient number, since it is larger than the sum of its proper divisors (1).

131379089 is an equidigital number, since it uses as much as digits as its factorization.

131379089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 131379089 is about 11462.0717586307. The cubic root of 131379089 is about 508.3647340870.

The spelling of 131379089 in words is "one hundred thirty-one million, three hundred seventy-nine thousand, eighty-nine".