136275911 has 2 divisors, whose sum is σ = 136275912. Its totient is φ = 136275910.

The previous prime is 136275883. The next prime is 136275913. The reversal of 136275911 is 119572631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136275911 - 2¹⁸ = 136013767 is a prime.

It is a super-2 number, since 2×136275911² = 37142247837759842, which contains 22 as substring.

Together with 136275913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136275913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68137955 + 68137956.

It is an arithmetic number, because the mean of its divisors is an integer number (68137956).

Almost surely, 2^136275911 is an apocalyptic number.

136275911 is a deficient number, since it is larger than the sum of its proper divisors (1).

136275911 is an equidigital number, since it uses as much as digits as its factorization.

136275911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 136275911 is about 11673.7273824602. The cubic root of 136275911 is about 514.6038503136.

The spelling of 136275911 in words is "one hundred thirty-six million, two hundred seventy-five thousand, nine hundred eleven".