1143340968 has 128 divisors (see below), whose sum is σ = 3582720000. Its totient is φ = 295384320.

The previous prime is 1143340943. The next prime is 1143340969. The reversal of 1143340968 is 8690433411.

1143340968 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1143340969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366198 + ... + 369306.

It is an arithmetic number, because the mean of its divisors is an integer number (27990000).

Almost surely, 2^1143340968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143340968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791360000).

1143340968 is an abundant number, since it is smaller than the sum of its proper divisors (2439379032).

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

1143340968 is a wasteful number, since it uses less digits than its factorization.

1143340968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1143340968 is about 33813.3253023124. The cubic root of 1143340968 is about 1045.6634350100.

The spelling of 1143340968 in words is "one billion, one hundred forty-three million, three hundred forty thousand, nine hundred sixty-eight".