14001321402 has 24 divisors (see below), whose sum is σ = 30677056020. Its totient is φ = 4614667200.

The previous prime is 14001321391. The next prime is 14001321419. The reversal of 14001321402 is 20412310041.

14001321402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11472337881 + 2528983521 = 107109^2 + 50289^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4368349 + ... + 4371552.

Almost surely, 2^14001321402 is an apocalyptic number.

14001321402 is an abundant number, since it is smaller than the sum of its proper divisors (16675734618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14001321402 is a wasteful number, since it uses less digits than its factorization.

14001321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739998 (or 8739995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 14001321402 its reverse (20412310041), we get a palindrome (34413631443).

The spelling of 14001321402 in words is "fourteen billion, one million, three hundred twenty-one thousand, four hundred two".