14272138 has 4 divisors (see below), whose sum is σ = 21408210. Its totient is φ = 7136068.

The previous prime is 14272127. The next prime is 14272151. The reversal of 14272138 is 83127241.

14272138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83127241 = 8753 ⋅9497.

It can be written as a sum of positive squares in only one way, i.e., 8922169 + 5349969 = 2987^2 + 2313^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568033 + ... + 3568036.

Almost surely, 2^14272138 is an apocalyptic number.

14272138 is a deficient number, since it is larger than the sum of its proper divisors (7136072).

14272138 is an equidigital number, since it uses as much as digits as its factorization.

14272138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136071.

The product of its digits is 2688, while the sum is 28.

The square root of 14272138 is about 3777.8483294066. The cubic root of 14272138 is about 242.5658615879.

Adding to 14272138 its reverse (83127241), we get a palindrome (97399379).

The spelling of 14272138 in words is "fourteen million, two hundred seventy-two thousand, one hundred thirty-eight".