4138271 has 4 divisors (see below), whose sum is σ = 4281000. Its totient is φ = 3995544.

The previous prime is 4138261. The next prime is 4138279. The reversal of 4138271 is 1728314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4138271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4138271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71321 + ... + 71378.

It is an arithmetic number, because the mean of its divisors is an integer number (1070250).

Almost surely, 2^4138271 is an apocalyptic number.

4138271 is a deficient number, since it is larger than the sum of its proper divisors (142729).

4138271 is a wasteful number, since it uses less digits than its factorization.

4138271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142728.

The product of its digits is 1344, while the sum is 26.

The square root of 4138271 is about 2034.2740719972. The cubic root of 4138271 is about 160.5485210262.

The spelling of 4138271 in words is "four million, one hundred thirty-eight thousand, two hundred seventy-one".