14142138 has 32 divisors (see below), whose sum is σ = 29460480. Its totient is φ = 4520880.

The previous prime is 14142127. The next prime is 14142157. The reversal of 14142138 is 83124141.

It is a super-2 number, since 2×14142138² = 400000134422088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25581 + ... + 26127.

It is an arithmetic number, because the mean of its divisors is an integer number (920640).

Almost surely, 2^14142138 is an apocalyptic number.

14142138 is an abundant number, since it is smaller than the sum of its proper divisors (15318342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14142138 is a wasteful number, since it uses less digits than its factorization.

14142138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 768, while the sum is 24.

The square root of 14142138 is about 3760.6034090289. The cubic root of 14142138 is about 241.8271310567.

Adding to 14142138 its reverse (83124141), we get a palindrome (97266279).

The spelling of 14142138 in words is "fourteen million, one hundred forty-two thousand, one hundred thirty-eight".