1133140 has 24 divisors (see below), whose sum is σ = 2426760. Its totient is φ = 444288.

The previous prime is 1133131. The next prime is 1133147. The reversal of 1133140 is 413311.

It can be written as a sum of positive squares in 4 ways, for example, as 188356 + 944784 = 434^2 + 972^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1133140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (101115).

2^1133140 is an apocalyptic number.

1133140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133140 is an abundant number, since it is smaller than the sum of its proper divisors (1293620).

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

1133140 is a wasteful number, since it uses less digits than its factorization.

1133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1133140 is about 1064.4904884498. The cubic root of 1133140 is about 104.2544312785.

Adding to 1133140 its reverse (413311), we get a palindrome (1546451).

The spelling of 1133140 in words is "one million, one hundred thirty-three thousand, one hundred forty".