5138306 has 8 divisors (see below), whose sum is σ = 7725564. Its totient is φ = 2563120.

The previous prime is 5138291. The next prime is 5138311. The reversal of 5138306 is 6038315.

It can be written as a sum of positive squares in 2 ways, for example, as 4431025 + 707281 = 2105^2 + 841^2 .

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

It is an unprimeable number.

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, 1865 + ... + 3708.

Almost surely, 2^5138306 is an apocalyptic number.

5138306 is a deficient number, since it is larger than the sum of its proper divisors (2587258).

5138306 is a wasteful number, since it uses less digits than its factorization.

5138306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5138306 is about 2266.7831832798. The cubic root of 5138306 is about 172.5599427609.

Subtracting 5138306 from its reverse (6038315), we obtain a palindrome (900009).

The spelling of 5138306 in words is "five million, one hundred thirty-eight thousand, three hundred six".