819159130 has 16 divisors (see below), whose sum is σ = 1474894080. Its totient is φ = 327573072.

The previous prime is 819159067. The next prime is 819159139. The reversal of 819159130 is 31951918.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 819159130.

It is not an unprimeable number, because it can be changed into a prime (819159139) 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, 36127 + ... + 54253.

It is an arithmetic number, because the mean of its divisors is an integer number (92180880).

Almost surely, 2^819159130 is an apocalyptic number.

819159130 is a deficient number, since it is larger than the sum of its proper divisors (655734950).

819159130 is a wasteful number, since it uses less digits than its factorization.

819159130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22653.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 819159130 is about 28620.9561335746. The cubic root of 819159130 is about 935.6701154739.

The spelling of 819159130 in words is "eight hundred nineteen million, one hundred fifty-nine thousand, one hundred thirty".