2133730056 has 64 divisors (see below), whose sum is σ = 5644753920. Its totient is φ = 670725440.

The previous prime is 2133730051. The next prime is 2133730057. The reversal of 2133730056 is 6500373312.

It is not an unprimeable number, because it can be changed into a prime (2133730051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11971 + ... + 66413.

It is an arithmetic number, because the mean of its divisors is an integer number (88199280).

Almost surely, 2^2133730056 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 2133730056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822376960).

2133730056 is an abundant number, since it is smaller than the sum of its proper divisors (3511023864).

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

2133730056 is a wasteful number, since it uses less digits than its factorization.

2133730056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54546 (or 54542 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 2133730056 is about 46192.3159843713. The cubic root of 2133730056 is about 1287.3989727622.

The spelling of 2133730056 in words is "two billion, one hundred thirty-three million, seven hundred thirty thousand, fifty-six".