6139442 has 8 divisors (see below), whose sum is σ = 9250416. Its totient is φ = 3055972.

The previous prime is 6139423. The next prime is 6139453. The reversal of 6139442 is 2449316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (1156302).

Almost surely, 2^6139442 is an apocalyptic number.

6139442 is a deficient number, since it is larger than the sum of its proper divisors (3110974).

6139442 is a wasteful number, since it uses less digits than its factorization.

6139442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13752.

The product of its digits is 5184, while the sum is 29.

The square root of 6139442 is about 2477.7897408779. The cubic root of 6139442 is about 183.1089758719.

The spelling of 6139442 in words is "six million, one hundred thirty-nine thousand, four hundred forty-two".