136118871 has 12 divisors (see below), whose sum is σ = 224704272. Its totient is φ = 77782176.

The previous prime is 136118777. The next prime is 136118891. The reversal of 136118871 is 178811631.

It is a happy number.

It is not a de Polignac number, because 136118871 - 2⁷ = 136118743 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136118891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080246 + ... + 1080371.

It is an arithmetic number, because the mean of its divisors is an integer number (18725356).

Almost surely, 2^136118871 is an apocalyptic number.

136118871 is a deficient number, since it is larger than the sum of its proper divisors (88585401).

136118871 is a wasteful number, since it uses less digits than its factorization.

136118871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160630 (or 2160627 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 136118871 is about 11666.9992285934. Note that the first 3 decimals coincide. The cubic root of 136118871 is about 514.4061033305.

The spelling of 136118871 in words is "one hundred thirty-six million, one hundred eighteen thousand, eight hundred seventy-one".