136867155 has 16 divisors (see below), whose sum is σ = 220441344. Its totient is φ = 72511200.

The previous prime is 136867123. The next prime is 136867169. The reversal of 136867155 is 551768631.

It is not a de Polignac number, because 136867155 - 2⁵ = 136867123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27949 + ... + 32478.

It is an arithmetic number, because the mean of its divisors is an integer number (13777584).

Almost surely, 2^136867155 is an apocalyptic number.

136867155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136867155 is a deficient number, since it is larger than the sum of its proper divisors (83574189).

136867155 is a wasteful number, since it uses less digits than its factorization.

136867155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60586.

The product of its digits is 151200, while the sum is 42.

The square root of 136867155 is about 11699.0236772134. The cubic root of 136867155 is about 515.3469933496.

The spelling of 136867155 in words is "one hundred thirty-six million, eight hundred sixty-seven thousand, one hundred fifty-five".