14140140028 has 12 divisors (see below), whose sum is σ = 28280280112. Its totient is φ = 6060060000.

The previous prime is 14140139947. The next prime is 14140140041. The reversal of 14140140028 is 82004104141.

14140140028 is an admirable number.

It is a super-2 number, since 2×14140140028² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 14140139984 and 14140140011.

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 3 ways as a sum of consecutive naturals, for example, 252502473 + ... + 252502528.

Almost surely, 2^14140140028 is an apocalyptic number.

It is an amenable number.

14140140028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14140140028 is a wasteful number, since it uses less digits than its factorization.

14140140028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505005012 (or 505005010 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 14140140028 its reverse (82004104141), we get a palindrome (96144244169).

The spelling of 14140140028 in words is "fourteen billion, one hundred forty million, one hundred forty thousand, twenty-eight".