136661412359 has 2 divisors, whose sum is σ = 136661412360. Its totient is φ = 136661412358.

The previous prime is 136661412331. The next prime is 136661412379. The reversal of 136661412359 is 953214166631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136661412359 - 2²⁸ = 136392976903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136661412379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68330706179 + 68330706180.

It is an arithmetic number, because the mean of its divisors is an integer number (68330706180).

Almost surely, 2^136661412359 is an apocalyptic number.

136661412359 is a deficient number, since it is larger than the sum of its proper divisors (1).

136661412359 is an equidigital number, since it uses as much as digits as its factorization.

136661412359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The spelling of 136661412359 in words is "one hundred thirty-six billion, six hundred sixty-one million, four hundred twelve thousand, three hundred fifty-nine".