136602383657 has 2 divisors, whose sum is σ = 136602383658. Its totient is φ = 136602383656.

The previous prime is 136602383653. The next prime is 136602383681. The reversal of 136602383657 is 756383206631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134990842921 + 1611540736 = 367411^2 + 40144^2 .

It is a cyclic number.

It is not a de Polignac number, because 136602383657 - 2² = 136602383653 is a prime.

It is a super-2 number, since 2×136602383657² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136602383651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68301191828 + 68301191829.

It is an arithmetic number, because the mean of its divisors is an integer number (68301191829).

Almost surely, 2^136602383657 is an apocalyptic number.

It is an amenable number.

136602383657 is a deficient number, since it is larger than the sum of its proper divisors (1).

136602383657 is an equidigital number, since it uses as much as digits as its factorization.

136602383657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 136602383657 in words is "one hundred thirty-six billion, six hundred two million, three hundred eighty-three thousand, six hundred fifty-seven".