136153560449 has 2 divisors, whose sum is σ = 136153560450. Its totient is φ = 136153560448.

The previous prime is 136153560443. The next prime is 136153560481. The reversal of 136153560449 is 944065351631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105456067600 + 30697492849 = 324740^2 + 175207^2 .

It is a cyclic number.

It is not a de Polignac number, because 136153560449 - 2²⁸ = 135885124993 is a prime.

It is not a weakly prime, because it can be changed into another prime (136153560443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68076780224 + 68076780225.

It is an arithmetic number, because the mean of its divisors is an integer number (68076780225).

Almost surely, 2^136153560449 is an apocalyptic number.

It is an amenable number.

136153560449 is a deficient number, since it is larger than the sum of its proper divisors (1).

136153560449 is an equidigital number, since it uses as much as digits as its factorization.

136153560449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 136153560449 in words is "one hundred thirty-six billion, one hundred fifty-three million, five hundred sixty thousand, four hundred forty-nine".