6139745194 has 16 divisors (see below), whose sum is σ = 10637847936. Its totient is φ = 2626628800.

The previous prime is 6139745191. The next prime is 6139745201. The reversal of 6139745194 is 4915479316.

It is not an unprimeable number, because it can be changed into a prime (6139745191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207842 + ... + 8208589.

It is an arithmetic number, because the mean of its divisors is an integer number (664865496).

Almost surely, 2^6139745194 is an apocalyptic number.

6139745194 is a deficient number, since it is larger than the sum of its proper divisors (4498102742).

6139745194 is a wasteful number, since it uses less digits than its factorization.

6139745194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16416461.

The product of its digits is 816480, while the sum is 49.

The square root of 6139745194 is about 78356.5261736379. The cubic root of 6139745194 is about 1831.1199007793.

The spelling of 6139745194 in words is "six billion, one hundred thirty-nine million, seven hundred forty-five thousand, one hundred ninety-four".