4139187 has 16 divisors (see below), whose sum is σ = 5983488. Its totient is φ = 2530080.

The previous prime is 4139171. The next prime is 4139189. The reversal of 4139187 is 7819314.

It is not a de Polignac number, because 4139187 - 2⁴ = 4139171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4139189) 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, 7978 + ... + 8480.

It is an arithmetic number, because the mean of its divisors is an integer number (373968).

Almost surely, 2^4139187 is an apocalyptic number.

4139187 is a deficient number, since it is larger than the sum of its proper divisors (1844301).

4139187 is a wasteful number, since it uses less digits than its factorization.

4139187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its digits is 6048, while the sum is 33.

The square root of 4139187 is about 2034.4992012778. The cubic root of 4139187 is about 160.5603658760.

The spelling of 4139187 in words is "four million, one hundred thirty-nine thousand, one hundred eighty-seven".