136965677 has 2 divisors, whose sum is σ = 136965678. Its totient is φ = 136965676.

The previous prime is 136965641. The next prime is 136965683. The reversal of 136965677 is 776569631.

136965677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115906756 + 21058921 = 10766^2 + 4589^2 .

It is a cyclic number.

It is not a de Polignac number, because 136965677 - 2⁸ = 136965421 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 (136965077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68482838 + 68482839.

It is an arithmetic number, because the mean of its divisors is an integer number (68482839).

Almost surely, 2^136965677 is an apocalyptic number.

It is an amenable number.

136965677 is a deficient number, since it is larger than the sum of its proper divisors (1).

136965677 is an equidigital number, since it uses as much as digits as its factorization.

136965677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 136965677 is about 11703.2336129806. The cubic root of 136965677 is about 515.4706189158.

The spelling of 136965677 in words is "one hundred thirty-six million, nine hundred sixty-five thousand, six hundred seventy-seven".