4144138 has 8 divisors (see below), whose sum is σ = 6243588. Its totient is φ = 2062944.

The previous prime is 4144121. The next prime is 4144159. The reversal of 4144138 is 8314414.

It can be written as a sum of positive squares in 2 ways, for example, as 3621409 + 522729 = 1903^2 + 723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981 + ... + 4912.

Almost surely, 2^4144138 is an apocalyptic number.

4144138 is a deficient number, since it is larger than the sum of its proper divisors (2099450).

4144138 is a wasteful number, since it uses less digits than its factorization.

4144138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128.

The product of its digits is 1536, while the sum is 25.

The square root of 4144138 is about 2035.7155989971. The cubic root of 4144138 is about 160.6243573180.

The spelling of 4144138 in words is "four million, one hundred forty-four thousand, one hundred thirty-eight".