2009138630 has 8 divisors (see below), whose sum is σ = 3616449552. Its totient is φ = 803655448.

The previous prime is 2009138627. The next prime is 2009138653. The reversal of 2009138630 is 368319002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100456922 + ... + 100456941.

It is an arithmetic number, because the mean of its divisors is an integer number (452056194).

Almost surely, 2^2009138630 is an apocalyptic number.

2009138630 is a deficient number, since it is larger than the sum of its proper divisors (1607310922).

2009138630 is a wasteful number, since it uses less digits than its factorization.

2009138630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200913870.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2009138630 is about 44823.4160902535. The cubic root of 2009138630 is about 1261.8371265163.

The spelling of 2009138630 in words is "two billion, nine million, one hundred thirty-eight thousand, six hundred thirty".