4135439 has 16 divisors (see below), whose sum is σ = 5280000. Its totient is φ = 3144960.

The previous prime is 4135427. The next prime is 4135447. The reversal of 4135439 is 9345314.

It is a de Polignac number, because none of the positive numbers 2^k-4135439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135499) 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 15 ways as a sum of consecutive naturals, for example, 2687 + ... + 3935.

It is an arithmetic number, because the mean of its divisors is an integer number (330000).

Almost surely, 2^4135439 is an apocalyptic number.

4135439 is a deficient number, since it is larger than the sum of its proper divisors (1144561).

4135439 is a wasteful number, since it uses less digits than its factorization.

4135439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its digits is 6480, while the sum is 29.

The square root of 4135439 is about 2033.5778814690. The cubic root of 4135439 is about 160.5118892083.

The spelling of 4135439 in words is "four million, one hundred thirty-five thousand, four hundred thirty-nine".