14668138 has 4 divisors (see below), whose sum is σ = 22002210. Its totient is φ = 7334068.

The previous prime is 14668123. The next prime is 14668163. The reversal of 14668138 is 83186641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 5650129 = 3003^2 + 2377^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14668097 and 14668106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3667033 + ... + 3667036.

Almost surely, 2^14668138 is an apocalyptic number.

14668138 is a deficient number, since it is larger than the sum of its proper divisors (7334072).

14668138 is an equidigital number, since it uses as much as digits as its factorization.

14668138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334071.

The product of its digits is 27648, while the sum is 37.

The square root of 14668138 is about 3829.9005209013. The cubic root of 14668138 is about 244.7888671123.

It can be divided in two parts, 1466 and 8138, that added together give a square (9604 = 98²).

The spelling of 14668138 in words is "fourteen million, six hundred sixty-eight thousand, one hundred thirty-eight".