136524917 has 2 divisors, whose sum is σ = 136524918. Its totient is φ = 136524916.

The previous prime is 136524887. The next prime is 136524929. The reversal of 136524917 is 719425631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135512881 + 1012036 = 11641^2 + 1006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136524917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136524967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68262458 + 68262459.

It is an arithmetic number, because the mean of its divisors is an integer number (68262459).

Almost surely, 2^136524917 is an apocalyptic number.

It is an amenable number.

136524917 is a deficient number, since it is larger than the sum of its proper divisors (1).

136524917 is an equidigital number, since it uses as much as digits as its factorization.

136524917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 136524917 is about 11684.3877460481. The cubic root of 136524917 is about 514.9170909987.

The spelling of 136524917 in words is "one hundred thirty-six million, five hundred twenty-four thousand, nine hundred seventeen".