3138144227 has 4 divisors (see below), whose sum is σ = 3138256416. Its totient is φ = 3138032040.

The previous prime is 3138144211. The next prime is 3138144281. The reversal of 3138144227 is 7224418313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3138144227 - 2⁴ = 3138144211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138147227) 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, 23702 + ... + 82692.

It is an arithmetic number, because the mean of its divisors is an integer number (784564104).

Almost surely, 2^3138144227 is an apocalyptic number.

3138144227 is a deficient number, since it is larger than the sum of its proper divisors (112189).

3138144227 is an equidigital number, since it uses as much as digits as its factorization.

3138144227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112188.

The product of its digits is 32256, while the sum is 35.

The square root of 3138144227 is about 56019.1416124881. The cubic root of 3138144227 is about 1464.0558126858.

The spelling of 3138144227 in words is "three billion, one hundred thirty-eight million, one hundred forty-four thousand, two hundred twenty-seven".