2002009136 has 40 divisors (see below), whose sum is σ = 4017034560. Its totient is φ = 965918016.

The previous prime is 2002009127. The next prime is 2002009169. The reversal of 2002009136 is 6319002002.

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, 39575 + ... + 74633.

It is an arithmetic number, because the mean of its divisors is an integer number (100425864).

Almost surely, 2^2002009136 is an apocalyptic number.

It is an amenable number.

2002009136 is an abundant number, since it is smaller than the sum of its proper divisors (2015025424).

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

2002009136 is a wasteful number, since it uses less digits than its factorization.

2002009136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35193 (or 35187 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2002009136 is about 44743.8167348294. The cubic root of 2002009136 is about 1260.3428008236.

The spelling of 2002009136 in words is "two billion, two million, nine thousand, one hundred thirty-six".