5639139 has 20 divisors (see below), whose sum is σ = 9191160. Its totient is φ = 3417120.

The previous prime is 5639083. The next prime is 5639167. The reversal of 5639139 is 9319365.

5639139 is a `hidden beast` number, since 5 + 639 + 13 + 9 = 666.

5639139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5639139 - 2¹² = 5635043 is a prime.

It is a super-2 number, since 2×5639139² = 63599777322642, which contains 22 as substring.

5639139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5639839) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2274 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (459558).

Almost surely, 2^5639139 is an apocalyptic number.

5639139 is a deficient number, since it is larger than the sum of its proper divisors (3552021).

5639139 is a wasteful number, since it uses less digits than its factorization.

5639139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6343 counting only the distinct ones).

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

The square root of 5639139 is about 2374.6871372878. The cubic root of 5639139 is about 177.9935506648.

It can be divided in two parts, 5639 and 139, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5639139 in words is "five million, six hundred thirty-nine thousand, one hundred thirty-nine".