5138726 has 16 divisors (see below), whose sum is σ = 8203680. Its totient is φ = 2405760.

The previous prime is 5138719. The next prime is 5138747. The reversal of 5138726 is 6278315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5138692 and 5138701.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11996 + ... + 12416.

It is an arithmetic number, because the mean of its divisors is an integer number (512730).

Almost surely, 2^5138726 is an apocalyptic number.

5138726 is a deficient number, since it is larger than the sum of its proper divisors (3064954).

5138726 is a wasteful number, since it uses less digits than its factorization.

5138726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its digits is 10080, while the sum is 32.

The square root of 5138726 is about 2266.8758236833. The cubic root of 5138726 is about 172.5646442586.

The spelling of 5138726 in words is "five million, one hundred thirty-eight thousand, seven hundred twenty-six".