136563677 has 2 divisors, whose sum is σ = 136563678. Its totient is φ = 136563676.

The previous prime is 136563671. The next prime is 136563727. The reversal of 136563677 is 776365631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118679236 + 17884441 = 10894^2 + 4229^2 .

It is a cyclic number.

It is not a de Polignac number, because 136563677 - 2⁶ = 136563613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136563671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68281838 + 68281839.

It is an arithmetic number, because the mean of its divisors is an integer number (68281839).

Almost surely, 2^136563677 is an apocalyptic number.

It is an amenable number.

136563677 is a deficient number, since it is larger than the sum of its proper divisors (1).

136563677 is an equidigital number, since it uses as much as digits as its factorization.

136563677 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 136563677 is about 11686.0462518339. The cubic root of 136563677 is about 514.9658154329.

The spelling of 136563677 in words is "one hundred thirty-six million, five hundred sixty-three thousand, six hundred seventy-seven".