136332225 has 18 divisors (see below), whose sum is σ = 244186566. Its totient is φ = 72710400.

The previous prime is 136332221. The next prime is 136332233. The reversal of 136332225 is 522233631.

136332225 is a `hidden beast` number, since 1 + 3 + 633 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3249 + 136328976 = 57^2 + 11676^2 .

It is not a de Polignac number, because 136332225 - 2² = 136332221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136332221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 302736 + ... + 303185.

Almost surely, 2^136332225 is an apocalyptic number.

136332225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136332225 is a deficient number, since it is larger than the sum of its proper divisors (107854341).

136332225 is a wasteful number, since it uses less digits than its factorization.

136332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605937 (or 605929 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 136332225 is about 11676.1391307230. The cubic root of 136332225 is about 514.6747246893.

Adding to 136332225 its reverse (522233631), we get a palindrome (658565856).

The spelling of 136332225 in words is "one hundred thirty-six million, three hundred thirty-two thousand, two hundred twenty-five".