5139988 has 12 divisors (see below), whose sum is σ = 10280032. Its totient is φ = 2202840.

The previous prime is 5139983. The next prime is 5140007. The reversal of 5139988 is 8899315.

5139988 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 91758 + ... + 91813.

Almost surely, 2^5139988 is an apocalyptic number.

It is an amenable number.

5139988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5139988 is a wasteful number, since it uses less digits than its factorization.

5139988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183582 (or 183580 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 5139988 is about 2267.1541632628. The cubic root of 5139988 is about 172.5787695986.

It can be divided in two parts, 513 and 9988, that added together give a palindrome (10501).

The spelling of 5139988 in words is "five million, one hundred thirty-nine thousand, nine hundred eighty-eight".