2139832512 has 112 divisors (see below), whose sum is σ = 6507784800. Its totient is φ = 688665600.

The previous prime is 2139832477. The next prime is 2139832537. The reversal of 2139832512 is 2152389312.

2139832512 is a `hidden beast` number, since 2 + 139 + 8 + 3 + 2 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28762 + ... + 71462.

Almost surely, 2^2139832512 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 2139832512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253892400).

2139832512 is an abundant number, since it is smaller than the sum of its proper divisors (4367952288).

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

2139832512 is a wasteful number, since it uses less digits than its factorization.

2139832512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42751 (or 42735 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 2139832512 is about 46258.3237050371. The cubic root of 2139832512 is about 1288.6251225255.

The spelling of 2139832512 in words is "two billion, one hundred thirty-nine million, eight hundred thirty-two thousand, five hundred twelve".