1163313140 has 24 divisors (see below), whose sum is σ = 2665045152. Its totient is φ = 423022880.

The previous prime is 1163313139. The next prime is 1163313187. The reversal of 1163313140 is 413133611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643674 + ... + 2644113.

It is an arithmetic number, because the mean of its divisors is an integer number (111043548).

Almost surely, 2^1163313140 is an apocalyptic number.

1163313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163313140 is an abundant number, since it is smaller than the sum of its proper divisors (1501732012).

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

1163313140 is a wasteful number, since it uses less digits than its factorization.

1163313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287807 (or 5287805 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1163313140 is about 34107.3766214876. The cubic root of 1163313140 is about 1051.7169611123.

Adding to 1163313140 its reverse (413133611), we get a palindrome (1576446751).

The spelling of 1163313140 in words is "one billion, one hundred sixty-three million, three hundred thirteen thousand, one hundred forty".