1130339840 has 120 divisors (see below), whose sum is σ = 3152992392. Its totient is φ = 387502080.

The previous prime is 1130339831. The next prime is 1130339891. The reversal of 1130339840 is 489330311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1130339797 and 1130339806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120935 + ... + 129945.

Almost surely, 2^1130339840 is an apocalyptic number.

1130339840 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 1130339840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576496196).

1130339840 is an abundant number, since it is smaller than the sum of its proper divisors (2022652552).

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

1130339840 is an frugal number, since it uses more digits than its factorization.

1130339840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048 (or 9025 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1130339840 is about 33620.5270630905. The cubic root of 1130339840 is about 1041.6848429753.

The spelling of 1130339840 in words is "one billion, one hundred thirty million, three hundred thirty-nine thousand, eight hundred forty".