136634925 has 48 divisors (see below), whose sum is σ = 259304832. Its totient is φ = 62188800.

The previous prime is 136634893. The next prime is 136634977. The reversal of 136634925 is 529436631.

It is not a de Polignac number, because 136634925 - 2⁵ = 136634893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166015 + ... + 166835.

It is an arithmetic number, because the mean of its divisors is an integer number (5402184).

Almost surely, 2^136634925 is an apocalyptic number.

136634925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136634925 is a deficient number, since it is larger than the sum of its proper divisors (122669907).

136634925 is a wasteful number, since it uses less digits than its factorization.

136634925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1153 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 136634925 is about 11689.0942762902. The cubic root of 136634925 is about 515.0553558495.

The spelling of 136634925 in words is "one hundred thirty-six million, six hundred thirty-four thousand, nine hundred twenty-five".