1143813706 has 16 divisors (see below), whose sum is σ = 1972857024. Its totient is φ = 487197504.

The previous prime is 1143813701. The next prime is 1143813719. The reversal of 1143813706 is 6073183411.

It is not an unprimeable number, because it can be changed into a prime (1143813701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248335 + ... + 252898.

It is an arithmetic number, because the mean of its divisors is an integer number (123303564).

Almost surely, 2^1143813706 is an apocalyptic number.

1143813706 is a deficient number, since it is larger than the sum of its proper divisors (829043318).

1143813706 is a wasteful number, since it uses less digits than its factorization.

1143813706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501405.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1143813706 is about 33820.3149896626. The cubic root of 1143813706 is about 1045.8075322189.

The spelling of 1143813706 in words is "one billion, one hundred forty-three million, eight hundred thirteen thousand, seven hundred six".