14128439 has 8 divisors (see below), whose sum is σ = 15408960. Its totient is φ = 12875616.

The previous prime is 14128427. The next prime is 14128451. The reversal of 14128439 is 93482141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14128427) and next prime (14128451).

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

It is a de Polignac number, because none of the positive numbers 2^k-14128439 is a prime.

It is a super-2 number, since 2×14128439² = 399225577153442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14128409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5852 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (1926120).

Almost surely, 2^14128439 is an apocalyptic number.

14128439 is a deficient number, since it is larger than the sum of its proper divisors (1280521).

14128439 is a wasteful number, since it uses less digits than its factorization.

14128439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13849.

The product of its digits is 6912, while the sum is 32.

The square root of 14128439 is about 3758.7815845031. The cubic root of 14128439 is about 241.7490226381.

The spelling of 14128439 in words is "fourteen million, one hundred twenty-eight thousand, four hundred thirty-nine".