2183894139 has 16 divisors (see below), whose sum is σ = 3331489280. Its totient is φ = 1246570560.

The previous prime is 2183894131. The next prime is 2183894149. The reversal of 2183894139 is 9314983812.

It is not a de Polignac number, because 2183894139 - 2³ = 2183894131 is a prime.

It is a super-2 number, since 2×2183894139² = 9538787220717102642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2183894131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37282 + ... + 75879.

It is an arithmetic number, because the mean of its divisors is an integer number (208218080).

Almost surely, 2^2183894139 is an apocalyptic number.

2183894139 is a deficient number, since it is larger than the sum of its proper divisors (1147595141).

2183894139 is a wasteful number, since it uses less digits than its factorization.

2183894139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114090.

The product of its digits is 373248, while the sum is 48.

The square root of 2183894139 is about 46732.1531603242. The cubic root of 2183894139 is about 1297.4098603482.

The spelling of 2183894139 in words is "two billion, one hundred eighty-three million, eight hundred ninety-four thousand, one hundred thirty-nine".