136152225 has 72 divisors (see below), whose sum is σ = 275086560. Its totient is φ = 65973600.

The previous prime is 136152221. The next prime is 136152239. The reversal of 136152225 is 522251631.

It is a happy number.

136152225 is a `hidden beast` number, since 1 + 3 + 615 + 22 + 25 = 666.

It is not a de Polignac number, because 136152225 - 2² = 136152221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136152221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80842 + ... + 82508.

Almost surely, 2^136152225 is an apocalyptic number.

136152225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136152225 is an abundant number, since it is smaller than the sum of its proper divisors (138934335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136152225 is a wasteful number, since it uses less digits than its factorization.

136152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 1686 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 136152225 is about 11668.4285574365. The cubic root of 136152225 is about 514.4481158740.

The spelling of 136152225 in words is "one hundred thirty-six million, one hundred fifty-two thousand, two hundred twenty-five".