5139409 has 8 divisors (see below), whose sum is σ = 5800320. Its totient is φ = 4510800.

The previous prime is 5139401. The next prime is 5139413. The reversal of 5139409 is 9049315.

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 5139409 - 2³ = 5139401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5139401) by changing a digit.

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, 7737 + ... + 8374.

It is an arithmetic number, because the mean of its divisors is an integer number (725040).

Almost surely, 2^5139409 is an apocalyptic number.

It is an amenable number.

5139409 is a deficient number, since it is larger than the sum of its proper divisors (660911).

5139409 is a wasteful number, since it uses less digits than its factorization.

5139409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 5139409 is about 2267.0264665416. The cubic root of 5139409 is about 172.5722892424.

The spelling of 5139409 in words is "five million, one hundred thirty-nine thousand, four hundred nine".