14528221139 has 4 divisors (see below), whose sum is σ = 14539546056. Its totient is φ = 14516896224.

The previous prime is 14528221129. The next prime is 14528221153. The reversal of 14528221139 is 93112282541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14528221139 is a prime.

It is a super-2 number, since 2×14528221139² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14528221129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660534 + ... + 5663099.

It is an arithmetic number, because the mean of its divisors is an integer number (3634886514).

Almost surely, 2^14528221139 is an apocalyptic number.

14528221139 is a deficient number, since it is larger than the sum of its proper divisors (11324917).

14528221139 is a wasteful number, since it uses less digits than its factorization.

14528221139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324916.

The product of its digits is 34560, while the sum is 38.

The spelling of 14528221139 in words is "fourteen billion, five hundred twenty-eight million, two hundred twenty-one thousand, one hundred thirty-nine".