14139497 has 4 divisors (see below), whose sum is σ = 14241360. Its totient is φ = 14037636.

The previous prime is 14139493. The next prime is 14139523. The reversal of 14139497 is 79493141.

14139497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14139497 - 2² = 14139493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14139497.

It is not an unprimeable number, because it can be changed into a prime (14139491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50723 + ... + 51000.

It is an arithmetic number, because the mean of its divisors is an integer number (3560340).

Almost surely, 2^14139497 is an apocalyptic number.

It is an amenable number.

14139497 is a deficient number, since it is larger than the sum of its proper divisors (101863).

14139497 is a wasteful number, since it uses less digits than its factorization.

14139497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101862.

The product of its digits is 27216, while the sum is 38.

The square root of 14139497 is about 3760.2522521767. The cubic root of 14139497 is about 241.8120766330.

The spelling of 14139497 in words is "fourteen million, one hundred thirty-nine thousand, four hundred ninety-seven".