136825605 has 120 divisors (see below), whose sum is σ = 299553408. Its totient is φ = 58516992.

The previous prime is 136825589. The next prime is 136825607. The reversal of 136825605 is 506528631.

136825605 is a `hidden beast` number, since 13 + 6 + 82 + 560 + 5 = 666.

It is not a de Polignac number, because 136825605 - 2⁴ = 136825589 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136825605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136825607) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 819232 + ... + 819398.

Almost surely, 2^136825605 is an apocalyptic number.

136825605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136825605 is an abundant number, since it is smaller than the sum of its proper divisors (162727803).

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

136825605 is a wasteful number, since it uses less digits than its factorization.

136825605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 136825605 is about 11697.2477532110. The cubic root of 136825605 is about 515.2948385558.

The spelling of 136825605 in words is "one hundred thirty-six million, eight hundred twenty-five thousand, six hundred five".