1133789280 has 384 divisors, whose sum is σ = 4135380480. Its totient is φ = 258785280.

The previous prime is 1133789269. The next prime is 1133789281. The reversal of 1133789280 is 829873311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133789281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8654815 + ... + 8654945.

It is an arithmetic number, because the mean of its divisors is an integer number (10769220).

Almost surely, 2^1133789280 is an apocalyptic number.

1133789280 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 1133789280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067690240).

1133789280 is an abundant number, since it is smaller than the sum of its proper divisors (3001591200).

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

1133789280 is a wasteful number, since it uses less digits than its factorization.

1133789280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1133789280 is about 33671.7875973344. The cubic root of 1133789280 is about 1042.7433979008.

The spelling of 1133789280 in words is "one billion, one hundred thirty-three million, seven hundred eighty-nine thousand, two hundred eighty".