131259259 has 2 divisors, whose sum is σ = 131259260. Its totient is φ = 131259258.

The previous prime is 131259253. The next prime is 131259269. The reversal of 131259259 is 952952131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131259259 - 2⁷ = 131259131 is a prime.

It is not a weakly prime, because it can be changed into another prime (131259253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65629629 + 65629630.

It is an arithmetic number, because the mean of its divisors is an integer number (65629630).

Almost surely, 2^131259259 is an apocalyptic number.

131259259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131259259 is an equidigital number, since it uses as much as digits as its factorization.

131259259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 37.

The square root of 131259259 is about 11456.8433261523. The cubic root of 131259259 is about 508.2101283663.

The spelling of 131259259 in words is "one hundred thirty-one million, two hundred fifty-nine thousand, two hundred fifty-nine".