136485277 has 2 divisors, whose sum is σ = 136485278. Its totient is φ = 136485276.

The previous prime is 136485257. The next prime is 136485287. The reversal of 136485277 is 772584631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133194681 + 3290596 = 11541^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 136485277 - 2²⁷ = 2267549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136485257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68242638 + 68242639.

It is an arithmetic number, because the mean of its divisors is an integer number (68242639).

Almost surely, 2^136485277 is an apocalyptic number.

It is an amenable number.

136485277 is a deficient number, since it is larger than the sum of its proper divisors (1).

136485277 is an equidigital number, since it uses as much as digits as its factorization.

136485277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 136485277 is about 11682.6913423235. The cubic root of 136485277 is about 514.8672507944.

The spelling of 136485277 in words is "one hundred thirty-six million, four hundred eighty-five thousand, two hundred seventy-seven".