136648605 has 16 divisors (see below), whose sum is σ = 219983040. Its totient is φ = 72430848.

The previous prime is 136648597. The next prime is 136648619. The reversal of 136648605 is 506846631.

It is not a de Polignac number, because 136648605 - 2³ = 136648597 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25500 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (13748940).

Almost surely, 2^136648605 is an apocalyptic number.

136648605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136648605 is a deficient number, since it is larger than the sum of its proper divisors (83334435).

136648605 is a wasteful number, since it uses less digits than its factorization.

136648605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56060.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 136648605 is about 11689.6794224649. The cubic root of 136648605 is about 515.0725445298.

The spelling of 136648605 in words is "one hundred thirty-six million, six hundred forty-eight thousand, six hundred five".