1133283280 has 40 divisors (see below), whose sum is σ = 2664505800. Its totient is φ = 448217088.

The previous prime is 1133283271. The next prime is 1133283287. The reversal of 1133283280 is 823823311.

It can be written as a sum of positive squares in 4 ways, for example, as 32901696 + 1100381584 = 5736^2 + 33172^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133283287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72465 + ... + 86704.

It is an arithmetic number, because the mean of its divisors is an integer number (66612645).

Almost surely, 2^1133283280 is an apocalyptic number.

1133283280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133283280 is an abundant number, since it is smaller than the sum of its proper divisors (1531222520).

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

1133283280 is a wasteful number, since it uses less digits than its factorization.

1133283280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159271 (or 159265 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1133283280 is about 33664.2730502234. The cubic root of 1133283280 is about 1042.5882524724.

The spelling of 1133283280 in words is "one billion, one hundred thirty-three million, two hundred eighty-three thousand, two hundred eighty".