14138444 has 6 divisors (see below), whose sum is σ = 24742284. Its totient is φ = 7069220.

The previous prime is 14138419. The next prime is 14138473. The reversal of 14138444 is 44483141.

It is a happy number.

It is a super-2 number, since 2×14138444² = 399791197482272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767302 + ... + 1767309.

It is an arithmetic number, because the mean of its divisors is an integer number (4123714).

Almost surely, 2^14138444 is an apocalyptic number.

It is an amenable number.

14138444 is a deficient number, since it is larger than the sum of its proper divisors (10603840).

14138444 is a wasteful number, since it uses less digits than its factorization.

14138444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534615 (or 3534613 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 14138444 is about 3760.1122323675. The cubic root of 14138444 is about 241.8060737217.

The spelling of 14138444 in words is "fourteen million, one hundred thirty-eight thousand, four hundred forty-four".