136169906 has 32 divisors (see below), whose sum is σ = 219542400. Its totient is φ = 63221760.

The previous prime is 136169899. The next prime is 136169921. The reversal of 136169906 is 609961631.

136169906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 176690 + ... + 177458.

It is an arithmetic number, because the mean of its divisors is an integer number (6860700).

Almost surely, 2^136169906 is an apocalyptic number.

136169906 is a deficient number, since it is larger than the sum of its proper divisors (83372494).

136169906 is a wasteful number, since it uses less digits than its factorization.

136169906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 136169906 is about 11669.1861755651. The cubic root of 136169906 is about 514.4703839969.

The spelling of 136169906 in words is "one hundred thirty-six million, one hundred sixty-nine thousand, nine hundred six".