2139794204 has 12 divisors (see below), whose sum is σ = 3753291024. Its totient is φ = 1067425344.

The previous prime is 2139794197. The next prime is 2139794207. The reversal of 2139794204 is 4024979312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139794207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615992 + ... + 619455.

It is an arithmetic number, because the mean of its divisors is an integer number (312774252).

Almost surely, 2^2139794204 is an apocalyptic number.

It is an amenable number.

2139794204 is a deficient number, since it is larger than the sum of its proper divisors (1613496820).

2139794204 is a wasteful number, since it uses less digits than its factorization.

2139794204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235884 (or 1235882 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2139794204 is about 46257.9096371637. The cubic root of 2139794204 is about 1288.6174326798.

The spelling of 2139794204 in words is "two billion, one hundred thirty-nine million, seven hundred ninety-four thousand, two hundred four".