14139569 has 2 divisors, whose sum is σ = 14139570. Its totient is φ = 14139568.

The previous prime is 14139551. The next prime is 14139571. The reversal of 14139569 is 96593141.

14139569 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 can be written as a sum of positive squares in only one way, i.e., 7317025 + 6822544 = 2705^2 + 2612^2 .

It is an emirp because it is prime and its reverse (96593141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14139569 - 2⁸ = 14139313 is a prime.

It is a super-2 number, since 2×14139569² = 399854823011522, which contains 22 as substring.

Together with 14139571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14139599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069784 + 7069785.

It is an arithmetic number, because the mean of its divisors is an integer number (7069785).

Almost surely, 2^14139569 is an apocalyptic number.

It is an amenable number.

14139569 is a deficient number, since it is larger than the sum of its proper divisors (1).

14139569 is an equidigital number, since it uses as much as digits as its factorization.

14139569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 14139569 is about 3760.2618259903. The cubic root of 14139569 is about 241.8124870776.

The spelling of 14139569 in words is "fourteen million, one hundred thirty-nine thousand, five hundred sixty-nine".