2139838048 has 12 divisors (see below), whose sum is σ = 4212806220. Its totient is φ = 1069919008.

The previous prime is 2139838039. The next prime is 2139838067. The reversal of 2139838048 is 8408389312.

It is a junction number, because it is equal to n+sod(n) for n = 2139837989 and 2139838007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33434938 + ... + 33435001.

It is an arithmetic number, because the mean of its divisors is an integer number (351067185).

Almost surely, 2^2139838048 is an apocalyptic number.

It is an amenable number.

2139838048 is a deficient number, since it is larger than the sum of its proper divisors (2072968172).

2139838048 is an equidigital number, since it uses as much as digits as its factorization.

2139838048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66869949 (or 66869941 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 2139838048 is about 46258.3835428779. The cubic root of 2139838048 is about 1288.6262337998.

The spelling of 2139838048 in words is "two billion, one hundred thirty-nine million, eight hundred thirty-eight thousand, forty-eight".