136654615613 has 2 divisors, whose sum is σ = 136654615614. Its totient is φ = 136654615612.

The previous prime is 136654615597. The next prime is 136654615673. The reversal of 136654615613 is 316516456631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134027745604 + 2626870009 = 366098^2 + 51253^2 .

It is a cyclic number.

It is not a de Polignac number, because 136654615613 - 2⁴ = 136654615597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136654615673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68327307806 + 68327307807.

It is an arithmetic number, because the mean of its divisors is an integer number (68327307807).

Almost surely, 2^136654615613 is an apocalyptic number.

It is an amenable number.

136654615613 is a deficient number, since it is larger than the sum of its proper divisors (1).

136654615613 is an equidigital number, since it uses as much as digits as its factorization.

136654615613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 47.

The spelling of 136654615613 in words is "one hundred thirty-six billion, six hundred fifty-four million, six hundred fifteen thousand, six hundred thirteen".