136105155 has 24 divisors (see below), whose sum is σ = 237292848. Its totient is φ = 72165696.

The previous prime is 136105147. The next prime is 136105169. The reversal of 136105155 is 551501631.

136105155 is a `hidden beast` number, since 136 + 10 + 515 + 5 = 666.

It is not a de Polignac number, because 136105155 - 2³ = 136105147 is a prime.

It is a super-2 number, since 2×136105155² = 37049226435148050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957 + ... + 16526.

It is an arithmetic number, because the mean of its divisors is an integer number (9887202).

Almost surely, 2^136105155 is an apocalyptic number.

136105155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136105155 is a deficient number, since it is larger than the sum of its proper divisors (101187693).

136105155 is a wasteful number, since it uses less digits than its factorization.

136105155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17667 (or 17664 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 136105155 is about 11666.4114019693. The cubic root of 136105155 is about 514.3888247292.

Adding to 136105155 its reverse (551501631), we get a palindrome (687606786).

The spelling of 136105155 in words is "one hundred thirty-six million, one hundred five thousand, one hundred fifty-five".