14815138 has 8 divisors (see below), whose sum is σ = 23932188. Its totient is φ = 6837744.

The previous prime is 14815127. The next prime is 14815139. The reversal of 14815138 is 83151841.

It can be written as a sum of positive squares in 2 ways, for example, as 14615329 + 199809 = 3823^2 + 447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (14815139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284881 + ... + 284932.

Almost surely, 2^14815138 is an apocalyptic number.

14815138 is a deficient number, since it is larger than the sum of its proper divisors (9117050).

14815138 is a wasteful number, since it uses less digits than its factorization.

14815138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569828.

The product of its digits is 3840, while the sum is 31.

The square root of 14815138 is about 3849.0437773556. The cubic root of 14815138 is about 245.6038858330.

Adding to 14815138 its reverse (83151841), we get a palindrome (97966979).

The spelling of 14815138 in words is "fourteen million, eight hundred fifteen thousand, one hundred thirty-eight".