136105311 has 4 divisors (see below), whose sum is σ = 181473752. Its totient is φ = 90736872.

The previous prime is 136105301. The next prime is 136105397. The reversal of 136105311 is 113501631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113501631 = 3 ⋅37833877.

It is not a de Polignac number, because 136105311 - 2⁷ = 136105183 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 (136105301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22684216 + ... + 22684221.

It is an arithmetic number, because the mean of its divisors is an integer number (45368438).

Almost surely, 2^136105311 is an apocalyptic number.

136105311 is a deficient number, since it is larger than the sum of its proper divisors (45368441).

136105311 is an equidigital number, since it uses as much as digits as its factorization.

136105311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45368440.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 136105311 is about 11666.4180878280. The cubic root of 136105311 is about 514.3890212552.

Adding to 136105311 its reverse (113501631), we get a palindrome (249606942).

The spelling of 136105311 in words is "one hundred thirty-six million, one hundred five thousand, three hundred eleven".