136825155 has 24 divisors (see below), whose sum is σ = 237502512. Its totient is φ = 72869184.

The previous prime is 136825151. The next prime is 136825201. The reversal of 136825155 is 551528631.

It is a happy number.

136825155 is a `hidden beast` number, since 136 + 8 + 2 + 515 + 5 = 666.

It is not a de Polignac number, because 136825155 - 2² = 136825151 is a prime.

It is a super-2 number, since 2×136825155² = 37442246081548050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136825151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37732 + ... + 41198.

It is an arithmetic number, because the mean of its divisors is an integer number (9895938).

Almost surely, 2^136825155 is an apocalyptic number.

136825155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136825155 is a deficient number, since it is larger than the sum of its proper divisors (100677357).

136825155 is a wasteful number, since it uses less digits than its factorization.

136825155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355 (or 4352 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 136825155 is about 11697.2285179012. The cubic root of 136825155 is about 515.2942736446.

The spelling of 136825155 in words is "one hundred thirty-six million, eight hundred twenty-five thousand, one hundred fifty-five".