14021430140 has 24 divisors (see below), whose sum is σ = 29451461760. Its totient is φ = 5607341888.

The previous prime is 14021430109. The next prime is 14021430149. The reversal of 14021430140 is 4103412041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021430149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19526 + ... + 168594.

It is an arithmetic number, because the mean of its divisors is an integer number (1227144240).

Almost surely, 2^14021430140 is an apocalyptic number.

14021430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14021430140 is an abundant number, since it is smaller than the sum of its proper divisors (15430031620).

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

14021430140 is a wasteful number, since it uses less digits than its factorization.

14021430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153781 (or 153779 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 14021430140 its reverse (4103412041), we get a palindrome (18124842181).

The spelling of 14021430140 in words is "fourteen billion, twenty-one million, four hundred thirty thousand, one hundred forty".