136536677 has 2 divisors, whose sum is σ = 136536678. Its totient is φ = 136536676.

The previous prime is 136536661. The next prime is 136536689. The reversal of 136536677 is 776635631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103347556 + 33189121 = 10166^2 + 5761^2 .

It is a cyclic number.

It is not a de Polignac number, because 136536677 - 2⁴ = 136536661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136536607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68268338 + 68268339.

It is an arithmetic number, because the mean of its divisors is an integer number (68268339).

Almost surely, 2^136536677 is an apocalyptic number.

It is an amenable number.

136536677 is a deficient number, since it is larger than the sum of its proper divisors (1).

136536677 is an equidigital number, since it uses as much as digits as its factorization.

136536677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 44.

The square root of 136536677 is about 11684.8909708221. The cubic root of 136536677 is about 514.9318752380.

The spelling of 136536677 in words is "one hundred thirty-six million, five hundred thirty-six thousand, six hundred seventy-seven".