1143710340 has 24 divisors (see below), whose sum is σ = 3202389120. Its totient is φ = 304989408.

The previous prime is 1143710329. The next prime is 1143710341. The reversal of 1143710340 is 430173411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143710340.

It is not an unprimeable number, because it can be changed into a prime (1143710341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530860 + ... + 9530979.

It is an arithmetic number, because the mean of its divisors is an integer number (133432880).

Almost surely, 2^1143710340 is an apocalyptic number.

1143710340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143710340 is an abundant number, since it is smaller than the sum of its proper divisors (2058678780).

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

1143710340 is a wasteful number, since it uses less digits than its factorization.

1143710340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061851 (or 19061849 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1143710340 is about 33818.7867907765. The cubic root of 1143710340 is about 1045.7760281965.

Adding to 1143710340 its reverse (430173411), we get a palindrome (1573883751).

The spelling of 1143710340 in words is "one billion, one hundred forty-three million, seven hundred ten thousand, three hundred forty".