136682264557 has 2 divisors, whose sum is σ = 136682264558. Its totient is φ = 136682264556.

The previous prime is 136682264539. The next prime is 136682264561. The reversal of 136682264557 is 755462286631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104853563721 + 31828700836 = 323811^2 + 178406^2 .

It is a cyclic number.

It is not a de Polignac number, because 136682264557 - 2²⁷ = 136548046829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136682264498 and 136682264507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136682264357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68341132278 + 68341132279.

It is an arithmetic number, because the mean of its divisors is an integer number (68341132279).

Almost surely, 2^136682264557 is an apocalyptic number.

It is an amenable number.

136682264557 is a deficient number, since it is larger than the sum of its proper divisors (1).

136682264557 is an equidigital number, since it uses as much as digits as its factorization.

136682264557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 55.

The spelling of 136682264557 in words is "one hundred thirty-six billion, six hundred eighty-two million, two hundred sixty-four thousand, five hundred fifty-seven".