14503138 has 16 divisors (see below), whose sum is σ = 23490936. Its totient is φ = 6675840.

The previous prime is 14503127. The next prime is 14503147. The reversal of 14503138 is 83130541.

It can be written as a sum of positive squares in 4 ways, for example, as 9381969 + 5121169 = 3063^2 + 2263^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18678 + ... + 19438.

Almost surely, 2^14503138 is an apocalyptic number.

14503138 is a deficient number, since it is larger than the sum of its proper divisors (8987798).

14503138 is a wasteful number, since it uses less digits than its factorization.

14503138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 14503138 is about 3808.2985702279. The cubic root of 14503138 is about 243.8675376156.

Adding to 14503138 its reverse (83130541), we get a palindrome (97633679).

It can be divided in two parts, 14503 and 138, that added together give a palindrome (14641).

The spelling of 14503138 in words is "fourteen million, five hundred three thousand, one hundred thirty-eight".