14138543 has 4 divisors (see below), whose sum is σ = 14970240. Its totient is φ = 13306848.

The previous prime is 14138539. The next prime is 14138549. The reversal of 14138543 is 34583141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34583141 = 787 ⋅43943.

It is a cyclic number.

It is not a de Polignac number, because 14138543 - 2² = 14138539 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 (14138549) 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 3 ways as a sum of consecutive naturals, for example, 415823 + ... + 415856.

It is an arithmetic number, because the mean of its divisors is an integer number (3742560).

Almost surely, 2^14138543 is an apocalyptic number.

14138543 is a deficient number, since it is larger than the sum of its proper divisors (831697).

14138543 is an equidigital number, since it uses as much as digits as its factorization.

14138543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831696.

The product of its digits is 5760, while the sum is 29.

The square root of 14138543 is about 3760.1253968452. The cubic root of 14138543 is about 241.8066381107.

The spelling of 14138543 in words is "fourteen million, one hundred thirty-eight thousand, five hundred forty-three".