14139555 has 8 divisors (see below), whose sum is σ = 22623312. Its totient is φ = 7541088.

The previous prime is 14139551. The next prime is 14139569. The reversal of 14139555 is 55593141.

14139555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14139555 - 2² = 14139551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14139551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471304 + ... + 471333.

It is an arithmetic number, because the mean of its divisors is an integer number (2827914).

Almost surely, 2^14139555 is an apocalyptic number.

14139555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14139555 is a deficient number, since it is larger than the sum of its proper divisors (8483757).

14139555 is an equidigital number, since it uses as much as digits as its factorization.

14139555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942645.

The product of its digits is 13500, while the sum is 33.

The square root of 14139555 is about 3760.2599644174. The cubic root of 14139555 is about 241.8124072690.

The spelling of 14139555 in words is "fourteen million, one hundred thirty-nine thousand, five hundred fifty-five".