5139709 has 8 divisors (see below), whose sum is σ = 5447840. Its totient is φ = 4835376.

The previous prime is 5139697. The next prime is 5139713. The reversal of 5139709 is 9079315.

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 5139709 - 2⁷ = 5139581 is a prime.

It is a Duffinian number.

5139709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139109) 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, 2122 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (680980).

Almost surely, 2^5139709 is an apocalyptic number.

It is an amenable number.

5139709 is a deficient number, since it is larger than the sum of its proper divisors (308131).

5139709 is a wasteful number, since it uses less digits than its factorization.

5139709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 5139709 is about 2267.0926315438. The cubic root of 5139709 is about 172.5756470007.

The spelling of 5139709 in words is "five million, one hundred thirty-nine thousand, seven hundred nine".