5228139 has 16 divisors (see below), whose sum is σ = 8137728. Its totient is φ = 2923392.

The previous prime is 5228131. The next prime is 5228143. The reversal of 5228139 is 9318225.

It is a happy number.

It is not a de Polignac number, because 5228139 - 2³ = 5228131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5228131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662 + ... + 3635.

It is an arithmetic number, because the mean of its divisors is an integer number (508608).

Almost surely, 2^5228139 is an apocalyptic number.

5228139 is a deficient number, since it is larger than the sum of its proper divisors (2909589).

5228139 is a wasteful number, since it uses less digits than its factorization.

5228139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354.

The product of its digits is 4320, while the sum is 30.

The square root of 5228139 is about 2286.5124097630. The cubic root of 5228139 is about 173.5597603825.

The spelling of 5228139 in words is "five million, two hundred twenty-eight thousand, one hundred thirty-nine".