14138459328 has 112 divisors (see below), whose sum is σ = 42841777664. Its totient is φ = 4031078400.

The previous prime is 14138459263. The next prime is 14138459333. The reversal of 14138459328 is 82395483141.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643728 + ... + 665328.

It is an arithmetic number, because the mean of its divisors is an integer number (382515872).

Almost surely, 2^14138459328 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 14138459328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21420888832).

14138459328 is an abundant number, since it is smaller than the sum of its proper divisors (28703318336).

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

14138459328 is a wasteful number, since it uses less digits than its factorization.

14138459328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110 (or 22100 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 14138459328 in words is "fourteen billion, one hundred thirty-eight million, four hundred fifty-nine thousand, three hundred twenty-eight".