136606025 has 12 divisors (see below), whose sum is σ = 169585500. Its totient is φ = 109159680.

The previous prime is 136606021. The next prime is 136606061. The reversal of 136606025 is 520606631.

It can be written as a sum of positive squares in 6 ways, for example, as 22629049 + 113976976 = 4757^2 + 10676^2 .

It is not a de Polignac number, because 136606025 - 2² = 136606021 is a prime.

It is a super-2 number, since 2×136606025² = 37322412132601250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136606021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23621 + ... + 28829.

It is an arithmetic number, because the mean of its divisors is an integer number (14132125).

Almost surely, 2^136606025 is an apocalyptic number.

It is an amenable number.

136606025 is a deficient number, since it is larger than the sum of its proper divisors (32979475).

136606025 is a wasteful number, since it uses less digits than its factorization.

136606025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 136606025 is about 11687.8580159069. The cubic root of 136606025 is about 515.0190397335.

The spelling of 136606025 in words is "one hundred thirty-six million, six hundred six thousand, twenty-five".