136605212 has 12 divisors (see below), whose sum is σ = 251641320. Its totient is φ = 64707696.

The previous prime is 136605199. The next prime is 136605233. The reversal of 136605212 is 212506631.

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 3 ways as a sum of consecutive naturals, for example, 898643 + ... + 898794.

It is an arithmetic number, because the mean of its divisors is an integer number (20970110).

Almost surely, 2^136605212 is an apocalyptic number.

It is an amenable number.

136605212 is a deficient number, since it is larger than the sum of its proper divisors (115036108).

136605212 is a wasteful number, since it uses less digits than its factorization.

136605212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797460 (or 1797458 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 136605212 is about 11687.8232361719. The cubic root of 136605212 is about 515.0180180330.

The spelling of 136605212 in words is "one hundred thirty-six million, six hundred five thousand, two hundred twelve".