4139099 has 4 divisors (see below), whose sum is σ = 4152720. Its totient is φ = 4125480.

The previous prime is 4139063. The next prime is 4139101. The reversal of 4139099 is 9909314.

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

It is a cyclic number.

It is not a de Polignac number, because 4139099 - 2⁸ = 4138843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4139029) 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, 6344 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (1038180).

Almost surely, 2^4139099 is an apocalyptic number.

4139099 is a deficient number, since it is larger than the sum of its proper divisors (13621).

4139099 is a wasteful number, since it uses less digits than its factorization.

4139099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 4139099 is about 2034.4775742190. The cubic root of 4139099 is about 160.5592280188.

The spelling of 4139099 in words is "four million, one hundred thirty-nine thousand, ninety-nine".