2009136 has 40 divisors (see below), whose sum is σ = 5465920. Its totient is φ = 634176.

The previous prime is 2009113. The next prime is 2009167. The reversal of 2009136 is 6319002.

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, 190 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (136648).

2^2009136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2009136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2732960).

2009136 is an abundant number, since it is smaller than the sum of its proper divisors (3456784).

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

2009136 is a wasteful number, since it uses less digits than its factorization.

2009136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2009136 is about 1417.4399458178. The cubic root of 2009136 is about 126.1836575927.

It can be divided in two parts, 2009 and 136, that added together give a triangular number (2145 = T₆₅).

The spelling of 2009136 in words is "two million, nine thousand, one hundred thirty-six".