14142140 has 48 divisors (see below), whose sum is σ = 31600800. Its totient is φ = 5306112.

The previous prime is 14142127. The next prime is 14142157. The reversal of 14142140 is 4124141.

It is a congruent number.

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, 21131 + ... + 21789.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^14142140 is an apocalyptic number.

14142140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14142140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15800400).

14142140 is an abundant number, since it is smaller than the sum of its proper divisors (17458660).

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

14142140 is a wasteful number, since it uses less digits than its factorization.

14142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 14142140 is about 3760.6036749437. The cubic root of 14142140 is about 241.8271424566.

Adding to 14142140 its reverse (4124141), we get a palindrome (18266281).

The spelling of 14142140 in words is "fourteen million, one hundred forty-two thousand, one hundred forty".