14139646 has 8 divisors (see below), whose sum is σ = 21940920. Its totient is φ = 6826008.

The previous prime is 14139637. The next prime is 14139649. The reversal of 14139646 is 64693141.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14139649) 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, 121836 + ... + 121951.

It is an arithmetic number, because the mean of its divisors is an integer number (2742615).

Almost surely, 2^14139646 is an apocalyptic number.

14139646 is a deficient number, since it is larger than the sum of its proper divisors (7801274).

14139646 is a wasteful number, since it uses less digits than its factorization.

14139646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243818.

The product of its digits is 15552, while the sum is 34.

The square root of 14139646 is about 3760.2720646251. The cubic root of 14139646 is about 241.8129260237.

The spelling of 14139646 in words is "fourteen million, one hundred thirty-nine thousand, six hundred forty-six".