136355377 has 2 divisors, whose sum is σ = 136355378. Its totient is φ = 136355376.

The previous prime is 136355369. The next prime is 136355383. The reversal of 136355377 is 773553631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135582736 + 772641 = 11644^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 136355377 - 2³ = 136355369 is a prime.

It is not a weakly prime, because it can be changed into another prime (136355677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68177688 + 68177689.

It is an arithmetic number, because the mean of its divisors is an integer number (68177689).

Almost surely, 2^136355377 is an apocalyptic number.

It is an amenable number.

136355377 is a deficient number, since it is larger than the sum of its proper divisors (1).

136355377 is an equidigital number, since it uses as much as digits as its factorization.

136355377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198450, while the sum is 40.

The square root of 136355377 is about 11677.1305122449. The cubic root of 136355377 is about 514.7038571383.

The spelling of 136355377 in words is "one hundred thirty-six million, three hundred fifty-five thousand, three hundred seventy-seven".