136571117 has 2 divisors, whose sum is σ = 136571118. Its totient is φ = 136571116.

The previous prime is 136571059. The next prime is 136571119. The reversal of 136571117 is 711175631.

136571117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131308681 + 5262436 = 11459^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 136571117 - 2¹² = 136567021 is a prime.

Together with 136571119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136571119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68285558 + 68285559.

It is an arithmetic number, because the mean of its divisors is an integer number (68285559).

Almost surely, 2^136571117 is an apocalyptic number.

It is an amenable number.

136571117 is a deficient number, since it is larger than the sum of its proper divisors (1).

136571117 is an equidigital number, since it uses as much as digits as its factorization.

136571117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 32.

The square root of 136571117 is about 11686.3645758636. The cubic root of 136571117 is about 514.9751670560.

The spelling of 136571117 in words is "one hundred thirty-six million, five hundred seventy-one thousand, one hundred seventeen".