4138143 has 12 divisors (see below), whose sum is σ = 5824728. Its totient is φ = 2612880.

The previous prime is 4138139. The next prime is 4138153. The reversal of 4138143 is 3418314.

It is not a de Polignac number, because 4138143 - 2² = 4138139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (485394).

Almost surely, 2^4138143 is an apocalyptic number.

4138143 is a deficient number, since it is larger than the sum of its proper divisors (1686585).

4138143 is a wasteful number, since it uses less digits than its factorization.

4138143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862 (or 3843 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 4138143 is about 2034.2426108997. The cubic root of 4138143 is about 160.5468657115.

The spelling of 4138143 in words is "four million, one hundred thirty-eight thousand, one hundred forty-three".