5139823 has 8 divisors (see below), whose sum is σ = 5826800. Its totient is φ = 4494528.

The previous prime is 5139821. The next prime is 5139859. The reversal of 5139823 is 3289315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5139823 - 2¹ = 5139821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10158 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (728350).

Almost surely, 2^5139823 is an apocalyptic number.

5139823 is a deficient number, since it is larger than the sum of its proper divisors (686977).

5139823 is a wasteful number, since it uses less digits than its factorization.

5139823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841.

The product of its digits is 6480, while the sum is 31.

The square root of 5139823 is about 2267.1177737383. The cubic root of 5139823 is about 172.5769229145.

The spelling of 5139823 in words is "five million, one hundred thirty-nine thousand, eight hundred twenty-three".