4138187227 has 2 divisors, whose sum is σ = 4138187228. Its totient is φ = 4138187226.

The previous prime is 4138187201. The next prime is 4138187233. The reversal of 4138187227 is 7227818314.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4138187227 - 2¹⁹ = 4137662939 is a prime.

It is not a weakly prime, because it can be changed into another prime (4138187297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069093613 + 2069093614.

It is an arithmetic number, because the mean of its divisors is an integer number (2069093614).

Almost surely, 2^4138187227 is an apocalyptic number.

4138187227 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138187227 is an equidigital number, since it uses as much as digits as its factorization.

4138187227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 4138187227 is about 64328.7433967119. The cubic root of 4138187227 is about 1605.4743766537.

The spelling of 4138187227 in words is "four billion, one hundred thirty-eight million, one hundred eighty-seven thousand, two hundred twenty-seven".