1142186318 has 16 divisors (see below), whose sum is σ = 2108652000. Its totient is φ = 451853856.

The previous prime is 1142186299. The next prime is 1142186321. The reversal of 1142186318 is 8136812411.

It is a congruent number.

It is an unprimeable number.

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, 3137693 + ... + 3138056.

It is an arithmetic number, because the mean of its divisors is an integer number (131790750).

Almost surely, 2^1142186318 is an apocalyptic number.

1142186318 is a deficient number, since it is larger than the sum of its proper divisors (966465682).

1142186318 is a wasteful number, since it uses less digits than its factorization.

1142186318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275771.

The product of its digits is 9216, while the sum is 35.

The square root of 1142186318 is about 33796.2470993452. The cubic root of 1142186318 is about 1045.3113143430.

Adding to 1142186318 its reverse (8136812411), we get a palindrome (9278998729).

The spelling of 1142186318 in words is "one billion, one hundred forty-two million, one hundred eighty-six thousand, three hundred eighteen".