131136259 has 2 divisors, whose sum is σ = 131136260. Its totient is φ = 131136258.

The previous prime is 131136211. The next prime is 131136277. The reversal of 131136259 is 952631131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131136259 - 2⁹ = 131135747 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131136259.

It is not a weakly prime, because it can be changed into another prime (131136209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65568129 + 65568130.

It is an arithmetic number, because the mean of its divisors is an integer number (65568130).

Almost surely, 2^131136259 is an apocalyptic number.

131136259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131136259 is an equidigital number, since it uses as much as digits as its factorization.

131136259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 131136259 is about 11451.4740972505. The cubic root of 131136259 is about 508.0513347900.

The spelling of 131136259 in words is "one hundred thirty-one million, one hundred thirty-six thousand, two hundred fifty-nine".