2139509882 has 8 divisors (see below), whose sum is σ = 3254465952. Its totient is φ = 1054687900.

The previous prime is 2139509873. The next prime is 2139509899. The reversal of 2139509882 is 2889059312.

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

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, 7533344 + ... + 7533627.

It is an arithmetic number, because the mean of its divisors is an integer number (406808244).

Almost surely, 2^2139509882 is an apocalyptic number.

2139509882 is a deficient number, since it is larger than the sum of its proper divisors (1114956070).

2139509882 is a wasteful number, since it uses less digits than its factorization.

2139509882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15067044.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 2139509882 is about 46254.8363092985. The cubic root of 2139509882 is about 1288.5603557712.

The spelling of 2139509882 in words is "two billion, one hundred thirty-nine million, five hundred nine thousand, eight hundred eighty-two".