136680705739583 has 2 divisors, whose sum is σ = 136680705739584. Its totient is φ = 136680705739582.

The previous prime is 136680705739531. The next prime is 136680705739603. The reversal of 136680705739583 is 385937507086631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136680705739583 - 2³⁰ = 136679631997759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136680705732583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68340352869791 + 68340352869792.

It is an arithmetic number, because the mean of its divisors is an integer number (68340352869792).

Almost surely, 2^{136680705739583} is an apocalyptic number.

136680705739583 is a deficient number, since it is larger than the sum of its proper divisors (1).

136680705739583 is an equidigital number, since it uses as much as digits as its factorization.

136680705739583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 685843200, while the sum is 71.

The spelling of 136680705739583 in words is "one hundred thirty-six trillion, six hundred eighty billion, seven hundred five million, seven hundred thirty-nine thousand, five hundred eighty-three".