131469259 has 2 divisors, whose sum is σ = 131469260. Its totient is φ = 131469258.

The previous prime is 131469197. The next prime is 131469263. The reversal of 131469259 is 952964131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131469259 - 2¹⁹ = 130944971 is a prime.

It is not a weakly prime, because it can be changed into another prime (131469269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65734629 + 65734630.

It is an arithmetic number, because the mean of its divisors is an integer number (65734630).

Almost surely, 2^131469259 is an apocalyptic number.

131469259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131469259 is an equidigital number, since it uses as much as digits as its factorization.

131469259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 131469259 is about 11466.0044915393. The cubic root of 131469259 is about 508.4810102397.

The spelling of 131469259 in words is "one hundred thirty-one million, four hundred sixty-nine thousand, two hundred fifty-nine".