135864906 has 16 divisors (see below), whose sum is σ = 272743200. Its totient is φ = 45119408.

The previous prime is 135864889. The next prime is 135864919. The reversal of 135864906 is 609468531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40476 + ... + 43703.

It is an arithmetic number, because the mean of its divisors is an integer number (17046450).

Almost surely, 2^135864906 is an apocalyptic number.

135864906 is an abundant number, since it is smaller than the sum of its proper divisors (136878294).

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

135864906 is a wasteful number, since it uses less digits than its factorization.

135864906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84453.

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

The square root of 135864906 is about 11656.1102431300. The cubic root of 135864906 is about 514.0859848985.

The spelling of 135864906 in words is "one hundred thirty-five million, eight hundred sixty-four thousand, nine hundred six".