136269277 has 2 divisors, whose sum is σ = 136269278. Its totient is φ = 136269276.

The previous prime is 136269271. The next prime is 136269283. The reversal of 136269277 is 772962631.

It is a balanced prime because it is at equal distance from previous prime (136269271) and next prime (136269283).

It can be written as a sum of positive squares in only one way, i.e., 123409881 + 12859396 = 11109^2 + 3586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136269277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136269271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68134638 + 68134639.

It is an arithmetic number, because the mean of its divisors is an integer number (68134639).

Almost surely, 2^136269277 is an apocalyptic number.

It is an amenable number.

136269277 is a deficient number, since it is larger than the sum of its proper divisors (1).

136269277 is an equidigital number, since it uses as much as digits as its factorization.

136269277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 136269277 is about 11673.4432366804. The cubic root of 136269277 is about 514.5954997613.

The spelling of 136269277 in words is "one hundred thirty-six million, two hundred sixty-nine thousand, two hundred seventy-seven".