136164109 has 2 divisors, whose sum is σ = 136164110. Its totient is φ = 136164108.

The previous prime is 136164011. The next prime is 136164113. The reversal of 136164109 is 901461631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100200100 + 35964009 = 10010^2 + 5997^2 .

It is a cyclic number.

It is not a de Polignac number, because 136164109 - 2⁷ = 136163981 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 (136164179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68082054 + 68082055.

It is an arithmetic number, because the mean of its divisors is an integer number (68082055).

Almost surely, 2^136164109 is an apocalyptic number.

It is an amenable number.

136164109 is a deficient number, since it is larger than the sum of its proper divisors (1).

136164109 is an equidigital number, since it uses as much as digits as its factorization.

136164109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 136164109 is about 11668.9377837059. The cubic root of 136164109 is about 514.4630832473.

The spelling of 136164109 in words is "one hundred thirty-six million, one hundred sixty-four thousand, one hundred nine".