14140009 has 24 divisors (see below), whose sum is σ = 16898112. Its totient is φ = 11737440.

The previous prime is 14140001. The next prime is 14140013. The reversal of 14140009 is 90004141.

It is not a de Polignac number, because 14140009 - 2³ = 14140001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14140001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107874 + ... + 108004.

It is an arithmetic number, because the mean of its divisors is an integer number (704088).

Almost surely, 2^14140009 is an apocalyptic number.

14140009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14140009 is a deficient number, since it is larger than the sum of its proper divisors (2758103).

14140009 is a wasteful number, since it uses less digits than its factorization.

14140009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 14140009 is about 3760.3203320994. The cubic root of 14140009 is about 241.8149953198.

The spelling of 14140009 in words is "fourteen million, one hundred forty thousand, nine".