14139407 has 2 divisors, whose sum is σ = 14139408. Its totient is φ = 14139406.

The previous prime is 14139397. The next prime is 14139413. The reversal of 14139407 is 70493141.

14139407 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 14139407 - 2⁶ = 14139343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14139407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14139467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069703 + 7069704.

It is an arithmetic number, because the mean of its divisors is an integer number (7069704).

Almost surely, 2^14139407 is an apocalyptic number.

14139407 is a deficient number, since it is larger than the sum of its proper divisors (1).

14139407 is an equidigital number, since it uses as much as digits as its factorization.

14139407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 14139407 is about 3760.2402848754. The cubic root of 14139407 is about 241.8115635753.

The spelling of 14139407 in words is "fourteen million, one hundred thirty-nine thousand, four hundred seven".