5139936 has 72 divisors (see below), whose sum is σ = 15180984. Its totient is φ = 1710720.

The previous prime is 5139923. The next prime is 5139949. The reversal of 5139936 is 6399315.

5139936 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5139923) and next prime (5139949).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5139936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7446 + ... + 8106.

It is an arithmetic number, because the mean of its divisors is an integer number (210847).

Almost surely, 2^5139936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5139936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7590492).

5139936 is an abundant number, since it is smaller than the sum of its proper divisors (10041048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5139936 is an equidigital number, since it uses as much as digits as its factorization.

5139936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 666 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 5139936 is about 2267.1426951121. The cubic root of 5139936 is about 172.5781876176.

The spelling of 5139936 in words is "five million, one hundred thirty-nine thousand, nine hundred thirty-six".