136131277 has 2 divisors, whose sum is σ = 136131278. Its totient is φ = 136131276.

The previous prime is 136131271. The next prime is 136131313. The reversal of 136131277 is 772131631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 35721 = 11666^2 + 189^2 .

It is an emirp because it is prime and its reverse (772131631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136131277 - 2³ = 136131269 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 (136131271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68065638 + 68065639.

It is an arithmetic number, because the mean of its divisors is an integer number (68065639).

Almost surely, 2^136131277 is an apocalyptic number.

It is an amenable number.

136131277 is a deficient number, since it is larger than the sum of its proper divisors (1).

136131277 is an equidigital number, since it uses as much as digits as its factorization.

136131277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 31.

The square root of 136131277 is about 11667.5308870386. The cubic root of 136131277 is about 514.4217306720.

The spelling of 136131277 in words is "one hundred thirty-six million, one hundred thirty-one thousand, two hundred seventy-seven".