5680139 has 4 divisors (see below), whose sum is σ = 5736480. Its totient is φ = 5623800.

The previous prime is 5680133. The next prime is 5680151. The reversal of 5680139 is 9310865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5680139 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5680133) 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, 28019 + ... + 28220.

It is an arithmetic number, because the mean of its divisors is an integer number (1434120).

Almost surely, 2^5680139 is an apocalyptic number.

5680139 is a deficient number, since it is larger than the sum of its proper divisors (56341).

5680139 is a wasteful number, since it uses less digits than its factorization.

5680139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56340.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5680139 is about 2383.3042189364. The cubic root of 5680139 is about 178.4238835184.

The spelling of 5680139 in words is "five million, six hundred eighty thousand, one hundred thirty-nine".