14189739 has 4 divisors (see below), whose sum is σ = 18919656. Its totient is φ = 9459824.

The previous prime is 14189701. The next prime is 14189753. The reversal of 14189739 is 93798141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14189739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14189739.

It is not an unprimeable number, because it can be changed into a prime (14189779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364954 + ... + 2364959.

It is an arithmetic number, because the mean of its divisors is an integer number (4729914).

Almost surely, 2^14189739 is an apocalyptic number.

14189739 is a deficient number, since it is larger than the sum of its proper divisors (4729917).

14189739 is an equidigital number, since it uses as much as digits as its factorization.

14189739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729916.

The product of its digits is 54432, while the sum is 42.

The square root of 14189739 is about 3766.9269969034. The cubic root of 14189739 is about 242.0981490638.

The spelling of 14189739 in words is "fourteen million, one hundred eighty-nine thousand, seven hundred thirty-nine".