4188245139 has 24 divisors (see below), whose sum is σ = 6533261280. Its totient is φ = 2570176512.

The previous prime is 4188245071. The next prime is 4188245167. The reversal of 4188245139 is 9315428814.

It is not a de Polignac number, because 4188245139 - 2²⁹ = 3651374227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4188245094 and 4188245103.

It is not an unprimeable number, because it can be changed into a prime (4188245179) 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 23 ways as a sum of consecutive naturals, for example, 7854 + ... + 91859.

It is an arithmetic number, because the mean of its divisors is an integer number (272219220).

Almost surely, 2^4188245139 is an apocalyptic number.

4188245139 is a deficient number, since it is larger than the sum of its proper divisors (2345016141).

4188245139 is a wasteful number, since it uses less digits than its factorization.

4188245139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100091 (or 100088 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4188245139 is about 64716.6527178284. The cubic root of 4188245139 is about 1611.9220309016.

The spelling of 4188245139 in words is "four billion, one hundred eighty-eight million, two hundred forty-five thousand, one hundred thirty-nine".