5639142 has 16 divisors (see below), whose sum is σ = 11314800. Its totient is φ = 1873632.

The previous prime is 5639083. The next prime is 5639167. The reversal of 5639142 is 2419365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (707175).

Almost surely, 2^5639142 is an apocalyptic number.

5639142 is an abundant number, since it is smaller than the sum of its proper divisors (5675658).

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

5639142 is a wasteful number, since it uses less digits than its factorization.

5639142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its digits is 6480, while the sum is 30.

The square root of 5639142 is about 2374.6877689498. The cubic root of 5639142 is about 177.9935822287.

The spelling of 5639142 in words is "five million, six hundred thirty-nine thousand, one hundred forty-two".