1338133 has 4 divisors (see below), whose sum is σ = 1345708. Its totient is φ = 1330560.

The previous prime is 1338109. The next prime is 1338167. The reversal of 1338133 is 3318331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3318331 = 19 ⋅174649.

It can be written as a sum of positive squares in 2 ways, for example, as 88209 + 1249924 = 297^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338133 - 2⁵ = 1338101 is a prime.

It is an Ulam number.

It is a Duffinian number.

1338133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338433) 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, 3516 + ... + 3877.

It is an arithmetic number, because the mean of its divisors is an integer number (336427).

2^1338133 is an apocalyptic number.

It is an amenable number.

1338133 is a deficient number, since it is larger than the sum of its proper divisors (7575).

1338133 is an equidigital number, since it uses as much as digits as its factorization.

1338133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574.

The product of its digits is 648, while the sum is 22.

The square root of 1338133 is about 1156.7769880145. The cubic root of 1338133 is about 110.1961513934.

The spelling of 1338133 in words is "one million, three hundred thirty-eight thousand, one hundred thirty-three".