14128771867391 has 8 divisors (see below), whose sum is σ = 14920693603200. Its totient is φ = 13351652407192.

The previous prime is 14128771867349. The next prime is 14128771867393. The reversal of 14128771867391 is 19376817782141.

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 14128771867391 - 2²² = 14128767673087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14128771867393) 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, 3700566941 + ... + 3700570758.

It is an arithmetic number, because the mean of its divisors is an integer number (1865086700400).

Almost surely, 2^{14128771867391} is an apocalyptic number.

14128771867391 is a deficient number, since it is larger than the sum of its proper divisors (791921735809).

14128771867391 is an equidigital number, since it uses as much as digits as its factorization.

14128771867391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401137805.

The product of its digits is 28449792, while the sum is 65.

The spelling of 14128771867391 in words is "fourteen trillion, one hundred twenty-eight billion, seven hundred seventy-one million, eight hundred sixty-seven thousand, three hundred ninety-one".