14020421142 has 128 divisors (see below), whose sum is σ = 35800934400. Its totient is φ = 3560288256.

The previous prime is 14020421089. The next prime is 14020421143. The reversal of 14020421142 is 24112402041.

14020421142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14020421143) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 6950118 + ... + 6952134.

It is an arithmetic number, because the mean of its divisors is an integer number (279694800).

Almost surely, 2^14020421142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14020421142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17900467200).

14020421142 is an abundant number, since it is smaller than the sum of its proper divisors (21780513258).

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

14020421142 is a wasteful number, since it uses less digits than its factorization.

14020421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 14020421142 its reverse (24112402041), we get a palindrome (38132823183).

The spelling of 14020421142 in words is "fourteen billion, twenty million, four hundred twenty-one thousand, one hundred forty-two".