14430139836 has 144 divisors (see below), whose sum is σ = 40934396160. Its totient is φ = 3864983040.

The previous prime is 14430139793. The next prime is 14430139879. The reversal of 14430139836 is 63893103441.

It is an interprime number because it is at equal distance from previous prime (14430139793) and next prime (14430139879).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 18961696 + ... + 18962456.

It is an arithmetic number, because the mean of its divisors is an integer number (284266640).

Almost surely, 2^14430139836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14430139836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20467198080).

14430139836 is an abundant number, since it is smaller than the sum of its proper divisors (26504256324).

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

14430139836 is a wasteful number, since it uses less digits than its factorization.

14430139836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 14430139836 in words is "fourteen billion, four hundred thirty million, one hundred thirty-nine thousand, eight hundred thirty-six".