14140402021 has 8 divisors (see below), whose sum is σ = 14194188000. Its totient is φ = 14086718832.

The previous prime is 14140402019. The next prime is 14140402033. The reversal of 14140402021 is 12020404141.

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 14140402021 - 2¹ = 14140402019 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 14140402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14140402051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255771 + ... + 306103.

It is an arithmetic number, because the mean of its divisors is an integer number (1774273500).

Almost surely, 2^14140402021 is an apocalyptic number.

It is an amenable number.

14140402021 is a deficient number, since it is larger than the sum of its proper divisors (53785979).

14140402021 is an equidigital number, since it uses as much as digits as its factorization.

14140402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51395.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 14140402021 its reverse (12020404141), we get a palindrome (26160806162).

The spelling of 14140402021 in words is "fourteen billion, one hundred forty million, four hundred two thousand, twenty-one".