1159439862 has 24 divisors (see below), whose sum is σ = 2697473016. Its totient is φ = 331268448.

The previous prime is 1159439849. The next prime is 1159439887. The reversal of 1159439862 is 2689349511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971543 + ... + 1972130.

It is an arithmetic number, because the mean of its divisors is an integer number (112394709).

Almost surely, 2^1159439862 is an apocalyptic number.

1159439862 is an abundant number, since it is smaller than the sum of its proper divisors (1538033154).

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

1159439862 is a wasteful number, since it uses less digits than its factorization.

1159439862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943692 (or 3943685 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 1159439862 is about 34050.5486299413. The cubic root of 1159439862 is about 1050.5484246140.

The spelling of 1159439862 in words is "one billion, one hundred fifty-nine million, four hundred thirty-nine thousand, eight hundred sixty-two".