6189139305 has 48 divisors (see below), whose sum is σ = 11309635584. Its totient is φ = 3126395520.

The previous prime is 6189139303. The next prime is 6189139309. The reversal of 6189139305 is 5039319816.

It is not a de Polignac number, because 6189139305 - 2¹ = 6189139303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6189139303) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 18367 + ... + 112763.

It is an arithmetic number, because the mean of its divisors is an integer number (235617408).

Almost surely, 2^6189139305 is an apocalyptic number.

It is an amenable number.

6189139305 is a deficient number, since it is larger than the sum of its proper divisors (5120496279).

6189139305 is a wasteful number, since it uses less digits than its factorization.

6189139305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94486 (or 94483 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 6189139305 is about 78671.0830292808. The cubic root of 6189139305 is about 1836.0172305686.

The spelling of 6189139305 in words is "six billion, one hundred eighty-nine million, one hundred thirty-nine thousand, three hundred five".