2133129204 has 72 divisors (see below), whose sum is σ = 5703751872. Its totient is φ = 670792320.

The previous prime is 2133129161. The next prime is 2133129223. The reversal of 2133129204 is 4029213312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42799 + ... + 78089.

It is an arithmetic number, because the mean of its divisors is an integer number (79218776).

Almost surely, 2^2133129204 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 2133129204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851875936).

2133129204 is an abundant number, since it is smaller than the sum of its proper divisors (3570622668).

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

2133129204 is a wasteful number, since it uses less digits than its factorization.

2133129204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35397 (or 35392 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2133129204 is about 46185.8117174528. The cubic root of 2133129204 is about 1287.2781188511.

The spelling of 2133129204 in words is "two billion, one hundred thirty-three million, one hundred twenty-nine thousand, two hundred four".