13912161281 has 8 divisors (see below), whose sum is σ = 14078563200. Its totient is φ = 13746362112.

The previous prime is 13912161251. The next prime is 13912161301. The reversal of 13912161281 is 18216121931.

It is a happy number.

13912161281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13912161281 - 2⁶ = 13912161217 is a prime.

It is a super-2 number, since 2×13912161281² (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 (13912161251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104165 + ... + 196658.

It is an arithmetic number, because the mean of its divisors is an integer number (1759820400).

Almost surely, 2^13912161281 is an apocalyptic number.

It is an amenable number.

13912161281 is a deficient number, since it is larger than the sum of its proper divisors (166401919).

13912161281 is a wasteful number, since it uses less digits than its factorization.

13912161281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301375.

The product of its digits is 5184, while the sum is 35.

The spelling of 13912161281 in words is "thirteen billion, nine hundred twelve million, one hundred sixty-one thousand, two hundred eighty-one".