14138586 has 72 divisors (see below), whose sum is σ = 38574432. Its totient is φ = 3636000.

The previous prime is 14138581. The next prime is 14138627. The reversal of 14138586 is 68583141.

14138586 is a `hidden beast` number, since 1 + 41 + 38 + 586 = 666.

It is a super-2 number, since 2×14138586² = 399799228158792, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14138586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14138581) 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, 139936 + ... + 140036.

It is an arithmetic number, because the mean of its divisors is an integer number (535756).

Almost surely, 2^14138586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14138586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19287216).

14138586 is an abundant number, since it is smaller than the sum of its proper divisors (24435846).

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

14138586 is a wasteful number, since it uses less digits than its factorization.

14138586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 124 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 14138586 is about 3760.1311147352. The cubic root of 14138586 is about 241.8068832485.

It can be divided in two parts, 1413 and 8586, that added together give a palindrome (9999).

The spelling of 14138586 in words is "fourteen million, one hundred thirty-eight thousand, five hundred eighty-six".