2133145518 has 96 divisors (see below), whose sum is σ = 5200588800. Its totient is φ = 580821696.

The previous prime is 2133145493. The next prime is 2133145541. The reversal of 2133145518 is 8155413312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 671971 + ... + 675137.

It is an arithmetic number, because the mean of its divisors is an integer number (54172800).

Almost surely, 2^2133145518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133145518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600294400).

2133145518 is an abundant number, since it is smaller than the sum of its proper divisors (3067443282).

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

2133145518 is a wasteful number, since it uses less digits than its factorization.

2133145518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3287 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 2133145518 is about 46185.9883297954. The cubic root of 2133145518 is about 1287.2814005091.

The spelling of 2133145518 in words is "two billion, one hundred thirty-three million, one hundred forty-five thousand, five hundred eighteen".