14206140 has 108 divisors (see below), whose sum is σ = 46761624. Its totient is φ = 3489408.

The previous prime is 14206139. The next prime is 14206141. The reversal of 14206140 is 4160241.

14206140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14206139) and next prime (14206141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14206141) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30187 + ... + 30653.

It is an arithmetic number, because the mean of its divisors is an integer number (432978).

Almost surely, 2^14206140 is an apocalyptic number.

14206140 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 14206140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23380812).

14206140 is an abundant number, since it is smaller than the sum of its proper divisors (32555484).

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

14206140 is a wasteful number, since it uses less digits than its factorization.

14206140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 14206140 is about 3769.1033416451. The cubic root of 14206140 is about 242.1913883385.

Adding to 14206140 its reverse (4160241), we get a palindrome (18366381).

The spelling of 14206140 in words is "fourteen million, two hundred six thousand, one hundred forty".