136905606 has 64 divisors (see below), whose sum is σ = 313286400. Its totient is φ = 44299008.

The previous prime is 136905599. The next prime is 136905617. The reversal of 136905606 is 606509631.

136905606 is a `hidden beast` number, since 1 + 3 + 6 + 90 + 560 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308821 + ... + 309263.

It is an arithmetic number, because the mean of its divisors is an integer number (4895100).

Almost surely, 2^136905606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136905606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156643200).

136905606 is an abundant number, since it is smaller than the sum of its proper divisors (176380794).

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

136905606 is a wasteful number, since it uses less digits than its factorization.

136905606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 136905606 is about 11700.6669040700. Note that the first 3 decimals coincide. The cubic root of 136905606 is about 515.3952487836.

The spelling of 136905606 in words is "one hundred thirty-six million, nine hundred five thousand, six hundred six".