136336440259 has 2 divisors, whose sum is σ = 136336440260. Its totient is φ = 136336440258.

The previous prime is 136336440239. The next prime is 136336440329. The reversal of 136336440259 is 952044633631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136336440259 - 2²¹ = 136334343107 is a prime.

It is not a weakly prime, because it can be changed into another prime (136336440239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68168220129 + 68168220130.

It is an arithmetic number, because the mean of its divisors is an integer number (68168220130).

Almost surely, 2^136336440259 is an apocalyptic number.

136336440259 is a deficient number, since it is larger than the sum of its proper divisors (1).

136336440259 is an equidigital number, since it uses as much as digits as its factorization.

136336440259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 136336440259 in words is "one hundred thirty-six billion, three hundred thirty-six million, four hundred forty thousand, two hundred fifty-nine".