1130320340 has 12 divisors (see below), whose sum is σ = 2373672756. Its totient is φ = 452128128.

The previous prime is 1130320319. The next prime is 1130320379. The reversal of 1130320340 is 430230311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 490533904 + 639786436 = 22148^2 + 25294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28257989 + ... + 28258028.

It is an arithmetic number, because the mean of its divisors is an integer number (197806063).

Almost surely, 2^1130320340 is an apocalyptic number.

1130320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130320340 is an abundant number, since it is smaller than the sum of its proper divisors (1243352416).

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

1130320340 is a wasteful number, since it uses less digits than its factorization.

1130320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56516026 (or 56516024 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1130320340 is about 33620.2370604373. The cubic root of 1130320340 is about 1041.6788527499.

Adding to 1130320340 its reverse (430230311), we get a palindrome (1560550651).

The spelling of 1130320340 in words is "one billion, one hundred thirty million, three hundred twenty thousand, three hundred forty".