136924388213 has 2 divisors, whose sum is σ = 136924388214. Its totient is φ = 136924388212.

The previous prime is 136924388197. The next prime is 136924388261. The reversal of 136924388213 is 312883429631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107716552804 + 29207835409 = 328202^2 + 170903^2 .

It is a cyclic number.

It is not a de Polignac number, because 136924388213 - 2⁴ = 136924388197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136926388213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68462194106 + 68462194107.

It is an arithmetic number, because the mean of its divisors is an integer number (68462194107).

Almost surely, 2^136924388213 is an apocalyptic number.

It is an amenable number.

136924388213 is a deficient number, since it is larger than the sum of its proper divisors (1).

136924388213 is an equidigital number, since it uses as much as digits as its factorization.

136924388213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The spelling of 136924388213 in words is "one hundred thirty-six billion, nine hundred twenty-four million, three hundred eighty-eight thousand, two hundred thirteen".