14001421144 has 8 divisors (see below), whose sum is σ = 26252664660. Its totient is φ = 7000710568.

The previous prime is 14001421139. The next prime is 14001421163. The reversal of 14001421144 is 44112410041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875088814 + ... + 875088829.

Almost surely, 2^14001421144 is an apocalyptic number.

It is an amenable number.

14001421144 is a deficient number, since it is larger than the sum of its proper divisors (12251243516).

14001421144 is a wasteful number, since it uses less digits than its factorization.

14001421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750177649 (or 1750177645 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 14001421144 its reverse (44112410041), we get a palindrome (58113831185).

The spelling of 14001421144 in words is "fourteen billion, one million, four hundred twenty-one thousand, one hundred forty-four".