136872611 has 2 divisors, whose sum is σ = 136872612. Its totient is φ = 136872610.

The previous prime is 136872557. The next prime is 136872623. The reversal of 136872611 is 116278631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136872611 - 2²² = 132678307 is a prime.

It is a super-2 number, since 2×136872611² = 37468223283914642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136832611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68436305 + 68436306.

It is an arithmetic number, because the mean of its divisors is an integer number (68436306).

Almost surely, 2^136872611 is an apocalyptic number.

136872611 is a deficient number, since it is larger than the sum of its proper divisors (1).

136872611 is an equidigital number, since it uses as much as digits as its factorization.

136872611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 136872611 is about 11699.2568567409. The cubic root of 136872611 is about 515.3538410988.

The spelling of 136872611 in words is "one hundred thirty-six million, eight hundred seventy-two thousand, six hundred eleven".