14427139 has 2 divisors, whose sum is σ = 14427140. Its totient is φ = 14427138.

The previous prime is 14427113. The next prime is 14427157. The reversal of 14427139 is 93172441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14427139 - 2¹¹ = 14425091 is a prime.

It is equal to p₉₃₆₀₆₇ and since 14427139 and 936067 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14427139.

It is not a weakly prime, because it can be changed into another prime (14422139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213569 + 7213570.

It is an arithmetic number, because the mean of its divisors is an integer number (7213570).

Almost surely, 2^14427139 is an apocalyptic number.

14427139 is a deficient number, since it is larger than the sum of its proper divisors (1).

14427139 is an equidigital number, since it uses as much as digits as its factorization.

14427139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 14427139 is about 3798.3073861919. The cubic root of 14427139 is about 243.4408217597.

The spelling of 14427139 in words is "fourteen million, four hundred twenty-seven thousand, one hundred thirty-nine".