1133538 has 32 divisors (see below), whose sum is σ = 2623104. Its totient is φ = 319872.

The previous prime is 1133537. The next prime is 1133551. The reversal of 1133538 is 8353311.

It is not an unprimeable number, because it can be changed into a prime (1133533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 5852.

It is an arithmetic number, because the mean of its divisors is an integer number (81972).

2^1133538 is an apocalyptic number.

1133538 is an abundant number, since it is smaller than the sum of its proper divisors (1489566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133538 is a wasteful number, since it uses less digits than its factorization.

1133538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 1080, while the sum is 24.

The square root of 1133538 is about 1064.6774159340. The cubic root of 1133538 is about 104.2666358329.

Adding to 1133538 its reverse (8353311), we get a palindrome (9486849).

The spelling of 1133538 in words is "one million, one hundred thirty-three thousand, five hundred thirty-eight".