136894605 has 16 divisors (see below), whose sum is σ = 226097664. Its totient is φ = 70655040.

The previous prime is 136894579. The next prime is 136894627. The reversal of 136894605 is 506498631.

It is not a de Polignac number, because 136894605 - 2⁷ = 136894477 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 146734 + ... + 147663.

It is an arithmetic number, because the mean of its divisors is an integer number (14131104).

Almost surely, 2^136894605 is an apocalyptic number.

136894605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136894605 is a deficient number, since it is larger than the sum of its proper divisors (89203059).

136894605 is a wasteful number, since it uses less digits than its factorization.

136894605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294436.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 136894605 is about 11700.1967932168. The cubic root of 136894605 is about 515.3814436148.

The spelling of 136894605 in words is "one hundred thirty-six million, eight hundred ninety-four thousand, six hundred five".