4305139 has 4 divisors (see below), whose sum is σ = 4309720. Its totient is φ = 4300560.

The previous prime is 4305121. The next prime is 4305143. The reversal of 4305139 is 9315034.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4305139 - 2⁷ = 4305011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4305109) 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, 309 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (1077430).

Almost surely, 2^4305139 is an apocalyptic number.

4305139 is a deficient number, since it is larger than the sum of its proper divisors (4581).

4305139 is a wasteful number, since it uses less digits than its factorization.

4305139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 4305139 is about 2074.8828882614. The cubic root of 4305139 is about 162.6780879921.

It can be divided in two parts, 4305 and 139, that added together give a palindrome (4444).

The spelling of 4305139 in words is "four million, three hundred five thousand, one hundred thirty-nine".