14028131987 has 8 divisors (see below), whose sum is σ = 14181300672. Its totient is φ = 13875661800.

The previous prime is 14028131977. The next prime is 14028132017. The reversal of 14028131987 is 78913182041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14028131987 - 2¹² = 14028127891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14028131977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134189 + ... + 214622.

It is an arithmetic number, because the mean of its divisors is an integer number (1772662584).

Almost surely, 2^14028131987 is an apocalyptic number.

14028131987 is a deficient number, since it is larger than the sum of its proper divisors (153168685).

14028131987 is a wasteful number, since it uses less digits than its factorization.

14028131987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349249.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 14028131987 in words is "fourteen billion, twenty-eight million, one hundred thirty-one thousand, nine hundred eighty-seven".