14142909 has 16 divisors (see below), whose sum is σ = 21075264. Its totient is φ = 8361600.

The previous prime is 14142899. The next prime is 14142937. The reversal of 14142909 is 90924141.

It is not a de Polignac number, because 14142909 - 2⁴ = 14142893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14142979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3874 + ... + 6579.

It is an arithmetic number, because the mean of its divisors is an integer number (1317204).

Almost surely, 2^14142909 is an apocalyptic number.

It is an amenable number.

14142909 is a deficient number, since it is larger than the sum of its proper divisors (6932355).

14142909 is a wasteful number, since it uses less digits than its factorization.

14142909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 14142909 is about 3760.7059177766. The cubic root of 14142909 is about 241.8315256146.

It can be divided in two parts, 14142 and 909, that added together give a palindrome (15051).

The spelling of 14142909 in words is "fourteen million, one hundred forty-two thousand, nine hundred nine".