14798139 has 4 divisors (see below), whose sum is σ = 19730856. Its totient is φ = 9865424.

The previous prime is 14798137. The next prime is 14798159. The reversal of 14798139 is 93189741.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14798139 - 2¹ = 14798137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14798139.

It is not an unprimeable number, because it can be changed into a prime (14798137) 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, 2466354 + ... + 2466359.

It is an arithmetic number, because the mean of its divisors is an integer number (4932714).

Almost surely, 2^14798139 is an apocalyptic number.

14798139 is a deficient number, since it is larger than the sum of its proper divisors (4932717).

14798139 is an equidigital number, since it uses as much as digits as its factorization.

14798139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932716.

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

The square root of 14798139 is about 3846.8349327727. The cubic root of 14798139 is about 245.5099139714.

The spelling of 14798139 in words is "fourteen million, seven hundred ninety-eight thousand, one hundred thirty-nine".