900135906 has 16 divisors (see below), whose sum is σ = 1895023200. Its totient is φ = 284253408.

The previous prime is 900135881. The next prime is 900135923. The reversal of 900135906 is 609531009.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947851 + ... + 3948078.

It is an arithmetic number, because the mean of its divisors is an integer number (118438950).

Almost surely, 2^900135906 is an apocalyptic number.

900135906 is an abundant number, since it is smaller than the sum of its proper divisors (994887294).

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

900135906 is a wasteful number, since it uses less digits than its factorization.

900135906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895953.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 900135906 is about 30002.2650144952. The cubic root of 900135906 is about 965.5379806042.

The spelling of 900135906 in words is "nine hundred million, one hundred thirty-five thousand, nine hundred six".