136708767653 has 2 divisors, whose sum is σ = 136708767654. Its totient is φ = 136708767652.

The previous prime is 136708767631. The next prime is 136708767659. The reversal of 136708767653 is 356767807631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70565672164 + 66143095489 = 265642^2 + 257183^2 .

It is a cyclic number.

It is not a de Polignac number, because 136708767653 - 2¹⁸ = 136708505509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136708767592 and 136708767601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136708767659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68354383826 + 68354383827.

It is an arithmetic number, because the mean of its divisors is an integer number (68354383827).

Almost surely, 2^136708767653 is an apocalyptic number.

It is an amenable number.

136708767653 is a deficient number, since it is larger than the sum of its proper divisors (1).

136708767653 is an equidigital number, since it uses as much as digits as its factorization.

136708767653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 136708767653 in words is "one hundred thirty-six billion, seven hundred eight million, seven hundred sixty-seven thousand, six hundred fifty-three".