1133305540 has 48 divisors (see below), whose sum is σ = 2518084800. Its totient is φ = 427254912.

The previous prime is 1133305531. The next prime is 1133305553. The reversal of 1133305540 is 455033311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67291 + ... + 82429.

It is an arithmetic number, because the mean of its divisors is an integer number (52460100).

Almost surely, 2^1133305540 is an apocalyptic number.

1133305540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133305540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259042400).

1133305540 is an abundant number, since it is smaller than the sum of its proper divisors (1384779260).

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

1133305540 is a wasteful number, since it uses less digits than its factorization.

1133305540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15364 (or 15362 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1133305540 is about 33664.6036661654. The cubic root of 1133305540 is about 1042.5950786158.

Adding to 1133305540 its reverse (455033311), we get a palindrome (1588338851).

The spelling of 1133305540 in words is "one billion, one hundred thirty-three million, three hundred five thousand, five hundred forty".