136115311 has 16 divisors (see below), whose sum is σ = 150980544. Its totient is φ = 122056704.

The previous prime is 136115281. The next prime is 136115323. The reversal of 136115311 is 113511631.

It is a cyclic number.

It is not a de Polignac number, because 136115311 - 2¹⁷ = 135984239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136115351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131251 + ... + 132283.

It is an arithmetic number, because the mean of its divisors is an integer number (9436284).

Almost surely, 2^136115311 is an apocalyptic number.

136115311 is a deficient number, since it is larger than the sum of its proper divisors (14865233).

136115311 is a wasteful number, since it uses less digits than its factorization.

136115311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its digits is 270, while the sum is 22.

The square root of 136115311 is about 11666.8466605163. The cubic root of 136115311 is about 514.4016187657.

Adding to 136115311 its reverse (113511631), we get a palindrome (249626942).

The spelling of 136115311 in words is "one hundred thirty-six million, one hundred fifteen thousand, three hundred eleven".