14457139 has 4 divisors (see below), whose sum is σ = 14655256. Its totient is φ = 14259024.

The previous prime is 14457137. The next prime is 14457161. The reversal of 14457139 is 93175441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93175441 = 881 ⋅105761.

It is a cyclic number.

It is not a de Polignac number, because 14457139 - 2¹ = 14457137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14457137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98949 + ... + 99094.

It is an arithmetic number, because the mean of its divisors is an integer number (3663814).

Almost surely, 2^14457139 is an apocalyptic number.

14457139 is a deficient number, since it is larger than the sum of its proper divisors (198117).

14457139 is an equidigital number, since it uses as much as digits as its factorization.

14457139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198116.

The product of its digits is 15120, while the sum is 34.

The square root of 14457139 is about 3802.2544628154. The cubic root of 14457139 is about 243.6094430493.

The spelling of 14457139 in words is "fourteen million, four hundred fifty-seven thousand, one hundred thirty-nine".