5639143 has 4 divisors (see below), whose sum is σ = 5935960. Its totient is φ = 5342328.

The previous prime is 5639083. The next prime is 5639167. The reversal of 5639143 is 3419365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3419365 = 5 ⋅683873.

It is a cyclic number.

It is not a de Polignac number, because 5639143 - 2⁹ = 5638631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148380 + ... + 148417.

It is an arithmetic number, because the mean of its divisors is an integer number (1483990).

Almost surely, 2^5639143 is an apocalyptic number.

5639143 is a deficient number, since it is larger than the sum of its proper divisors (296817).

5639143 is a wasteful number, since it uses less digits than its factorization.

5639143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296816.

The product of its digits is 9720, while the sum is 31.

The square root of 5639143 is about 2374.6879795038. The cubic root of 5639143 is about 177.9935927501.

The spelling of 5639143 in words is "five million, six hundred thirty-nine thousand, one hundred forty-three".