14138881 has 4 divisors (see below), whose sum is σ = 14150592. Its totient is φ = 14127172.

The previous prime is 14138879. The next prime is 14138903. The reversal of 14138881 is 18883141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18883141 = 17 ⋅1110773.

It is a cyclic number.

It is not a de Polignac number, because 14138881 - 2¹ = 14138879 is a prime.

It is a super-2 number, since 2×14138881² = 399815911864322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14138381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3805 + ... + 6538.

It is an arithmetic number, because the mean of its divisors is an integer number (3537648).

Almost surely, 2^14138881 is an apocalyptic number.

It is an amenable number.

14138881 is a deficient number, since it is larger than the sum of its proper divisors (11711).

14138881 is a wasteful number, since it uses less digits than its factorization.

14138881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710.

The product of its digits is 6144, while the sum is 34.

The square root of 14138881 is about 3760.1703418861. The cubic root of 14138881 is about 241.8085649946.

The spelling of 14138881 in words is "fourteen million, one hundred thirty-eight thousand, eight hundred eighty-one".