1113304140 has 144 divisors (see below), whose sum is σ = 3688566336. Its totient is φ = 270144000.

The previous prime is 1113304111. The next prime is 1113304141. The reversal of 1113304140 is 414033111.

It is a super-2 number, since 2×1113304140² = 2478892216282279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1113304141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162790 + ... + 169490.

It is an arithmetic number, because the mean of its divisors is an integer number (25615044).

Almost surely, 2^1113304140 is an apocalyptic number.

1113304140 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 1113304140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844283168).

1113304140 is an abundant number, since it is smaller than the sum of its proper divisors (2575262196).

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

1113304140 is a wasteful number, since it uses less digits than its factorization.

1113304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800 (or 6795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1113304140 is about 33366.2125510223. The cubic root of 1113304140 is about 1036.4251458918.

Adding to 1113304140 its reverse (414033111), we get a palindrome (1527337251).

The spelling of 1113304140 in words is "one billion, one hundred thirteen million, three hundred four thousand, one hundred forty".