14057139 has 4 divisors (see below), whose sum is σ = 18742856. Its totient is φ = 9371424.

The previous prime is 14057081. The next prime is 14057177. The reversal of 14057139 is 93175041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93175041 = 3 ⋅31058347.

It is not a de Polignac number, because 14057139 - 2¹⁷ = 13926067 is a prime.

It is a super-3 number, since 3×14057139³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14056139) 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, 2342854 + ... + 2342859.

It is an arithmetic number, because the mean of its divisors is an integer number (4685714).

Almost surely, 2^14057139 is an apocalyptic number.

14057139 is a deficient number, since it is larger than the sum of its proper divisors (4685717).

14057139 is an equidigital number, since it uses as much as digits as its factorization.

14057139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685716.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 14057139 is about 3749.2851318618. The cubic root of 14057139 is about 241.3416697279.

It can be divided in two parts, 14057 and 139, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 14057139 in words is "fourteen million, fifty-seven thousand, one hundred thirty-nine".