136117211 has 2 divisors, whose sum is σ = 136117212. Its totient is φ = 136117210.

The previous prime is 136117207. The next prime is 136117259. The reversal of 136117211 is 112711631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136117211 - 2² = 136117207 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136117411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68058605 + 68058606.

It is an arithmetic number, because the mean of its divisors is an integer number (68058606).

Almost surely, 2^136117211 is an apocalyptic number.

136117211 is a deficient number, since it is larger than the sum of its proper divisors (1).

136117211 is an equidigital number, since it uses as much as digits as its factorization.

136117211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 23.

The square root of 136117211 is about 11666.9280875473. The cubic root of 136117211 is about 514.4040122229.

Adding to 136117211 its reverse (112711631), we get a palindrome (248828842).

The spelling of 136117211 in words is "one hundred thirty-six million, one hundred seventeen thousand, two hundred eleven".