14187139 has 2 divisors, whose sum is σ = 14187140. Its totient is φ = 14187138.

The previous prime is 14187127. The next prime is 14187143. The reversal of 14187139 is 93178141.

14187139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14187139 - 2⁷ = 14187011 is a prime.

It is not a weakly prime, because it can be changed into another prime (14187179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7093569 + 7093570.

It is an arithmetic number, because the mean of its divisors is an integer number (7093570).

Almost surely, 2^14187139 is an apocalyptic number.

14187139 is a deficient number, since it is larger than the sum of its proper divisors (1).

14187139 is an equidigital number, since it uses as much as digits as its factorization.

14187139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 34.

The square root of 14187139 is about 3766.5818722019. The cubic root of 14187139 is about 242.0833615323.

The spelling of 14187139 in words is "fourteen million, one hundred eighty-seven thousand, one hundred thirty-nine".