136118377 has 2 divisors, whose sum is σ = 136118378. Its totient is φ = 136118376.

The previous prime is 136118341. The next prime is 136118399. The reversal of 136118377 is 773811631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134189056 + 1929321 = 11584^2 + 1389^2 .

It is an emirp because it is prime and its reverse (773811631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136118377 - 2⁷ = 136118249 is a prime.

It is a super-2 number, since 2×136118377² = 37056425114228258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136118317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68059188 + 68059189.

It is an arithmetic number, because the mean of its divisors is an integer number (68059189).

Almost surely, 2^136118377 is an apocalyptic number.

It is an amenable number.

136118377 is a deficient number, since it is larger than the sum of its proper divisors (1).

136118377 is an equidigital number, since it uses as much as digits as its factorization.

136118377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 136118377 is about 11666.9780577491. The cubic root of 136118377 is about 514.4054810388.

The spelling of 136118377 in words is "one hundred thirty-six million, one hundred eighteen thousand, three hundred seventy-seven".