4139907 has 4 divisors (see below), whose sum is σ = 5519880. Its totient is φ = 2759936.

The previous prime is 4139899. The next prime is 4139909. The reversal of 4139907 is 7099314.

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 4139907 - 2³ = 4139899 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4139909) 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, 689982 + ... + 689987.

It is an arithmetic number, because the mean of its divisors is an integer number (1379970).

Almost surely, 2^4139907 is an apocalyptic number.

4139907 is a deficient number, since it is larger than the sum of its proper divisors (1379973).

4139907 is a wasteful number, since it uses less digits than its factorization.

4139907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379972.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4139907 is about 2034.6761413060. The cubic root of 4139907 is about 160.5696750118.

The spelling of 4139907 in words is "four million, one hundred thirty-nine thousand, nine hundred seven".