1138133 has 4 divisors (see below), whose sum is σ = 1205100. Its totient is φ = 1071168.

The previous prime is 1138127. The next prime is 1138141. The reversal of 1138133 is 3318311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3318311 = 587 ⋅5653.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 142129 = 998^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138133 - 2⁴ = 1138117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138183) 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, 33458 + ... + 33491.

It is an arithmetic number, because the mean of its divisors is an integer number (301275).

2^1138133 is an apocalyptic number.

It is an amenable number.

1138133 is a deficient number, since it is larger than the sum of its proper divisors (66967).

1138133 is an equidigital number, since it uses as much as digits as its factorization.

1138133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66966.

The product of its digits is 216, while the sum is 20.

The square root of 1138133 is about 1066.8331640889. The cubic root of 1138133 is about 104.4073337381.

It can be divided in two parts, 11381 and 33, that multiplied together give a palindrome (375573).

The spelling of 1138133 in words is "one million, one hundred thirty-eight thousand, one hundred thirty-three".