14140405 has 8 divisors (see below), whose sum is σ = 16988832. Its totient is φ = 11298768.

The previous prime is 14140393. The next prime is 14140411. The reversal of 14140405 is 50404141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14140405 - 2⁹ = 14139893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6462 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (2123604).

Almost surely, 2^14140405 is an apocalyptic number.

It is an amenable number.

14140405 is a deficient number, since it is larger than the sum of its proper divisors (2848427).

14140405 is a wasteful number, since it uses less digits than its factorization.

14140405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 14140405 is about 3760.3729868193. The cubic root of 14140405 is about 241.8172526933.

Adding to 14140405 its reverse (50404141), we get a palindrome (64544546).

The spelling of 14140405 in words is "fourteen million, one hundred forty thousand, four hundred five".