4139894087 has 4 divisors (see below), whose sum is σ = 4731307536. Its totient is φ = 3548480640.

The previous prime is 4139894081. The next prime is 4139894191. The reversal of 4139894087 is 7804989314.

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 4139894087 - 2⁶ = 4139894023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139894081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295706714 + ... + 295706727.

It is an arithmetic number, because the mean of its divisors is an integer number (1182826884).

Almost surely, 2^4139894087 is an apocalyptic number.

4139894087 is a deficient number, since it is larger than the sum of its proper divisors (591413449).

4139894087 is an equidigital number, since it uses as much as digits as its factorization.

4139894087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591413448.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 4139894087 is about 64342.0087268031. The cubic root of 4139894087 is about 1605.6950806454.

The spelling of 4139894087 in words is "four billion, one hundred thirty-nine million, eight hundred ninety-four thousand, eighty-seven".