1438133 has 4 divisors (see below), whose sum is σ = 1442220. Its totient is φ = 1434048.

The previous prime is 1438123. The next prime is 1438159. The reversal of 1438133 is 3318341.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 223729 + 1214404 = 473^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1438133 - 2⁴ = 1438117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1438099 and 1438108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (360555).

2^1438133 is an apocalyptic number.

It is an amenable number.

1438133 is a deficient number, since it is larger than the sum of its proper divisors (4087).

1438133 is an equidigital number, since it uses as much as digits as its factorization.

1438133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086.

The product of its digits is 864, while the sum is 23.

The square root of 1438133 is about 1199.2218310221. The cubic root of 1438133 is about 112.8754991849.

The spelling of 1438133 in words is "one million, four hundred thirty-eight thousand, one hundred thirty-three".