136617254117 has 2 divisors, whose sum is σ = 136617254118. Its totient is φ = 136617254116.

The previous prime is 136617254047. The next prime is 136617254129. The reversal of 136617254117 is 711452716631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85599545476 + 51017708641 = 292574^2 + 225871^2 .

It is an emirp because it is prime and its reverse (711452716631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136617254117 - 2³² = 132322286821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136617254317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68308627058 + 68308627059.

It is an arithmetic number, because the mean of its divisors is an integer number (68308627059).

Almost surely, 2^136617254117 is an apocalyptic number.

It is an amenable number.

136617254117 is a deficient number, since it is larger than the sum of its proper divisors (1).

136617254117 is an equidigital number, since it uses as much as digits as its factorization.

136617254117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The spelling of 136617254117 in words is "one hundred thirty-six billion, six hundred seventeen million, two hundred fifty-four thousand, one hundred seventeen".