14139851 has 4 divisors (see below), whose sum is σ = 15425304. Its totient is φ = 12854400.

The previous prime is 14139847. The next prime is 14139859. The reversal of 14139851 is 15893141.

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 14139851 - 2² = 14139847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14139859) 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, 642710 + ... + 642731.

It is an arithmetic number, because the mean of its divisors is an integer number (3856326).

Almost surely, 2^14139851 is an apocalyptic number.

14139851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14139851 is a deficient number, since it is larger than the sum of its proper divisors (1285453).

14139851 is a wasteful number, since it uses less digits than its factorization.

14139851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285452.

The product of its digits is 4320, while the sum is 32.

The square root of 14139851 is about 3760.2993231922. The cubic root of 14139851 is about 241.8140946388.

The spelling of 14139851 in words is "fourteen million, one hundred thirty-nine thousand, eight hundred fifty-one".