6139678 has 8 divisors (see below), whose sum is σ = 9253800. Its totient is φ = 3055080.

The previous prime is 6139673. The next prime is 6139681. The reversal of 6139678 is 8769316.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6139678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139673) 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, 6853 + ... + 7696.

It is an arithmetic number, because the mean of its divisors is an integer number (1156725).

Almost surely, 2^6139678 is an apocalyptic number.

6139678 is a deficient number, since it is larger than the sum of its proper divisors (3114122).

6139678 is a wasteful number, since it uses less digits than its factorization.

6139678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14762.

The product of its digits is 54432, while the sum is 40.

The square root of 6139678 is about 2477.8373635088. The cubic root of 6139678 is about 183.1113220767. Note that the first 3 decimals are identical.

The spelling of 6139678 in words is "six million, one hundred thirty-nine thousand, six hundred seventy-eight".