865306130 has 16 divisors (see below), whose sum is σ = 1677362904. Its totient is φ = 319497600.

The previous prime is 865306129. The next prime is 865306133. The reversal of 865306130 is 31603568.

It can be written as a sum of positive squares in 4 ways, for example, as 628053721 + 237252409 = 25061^2 + 15403^2 .

It is not an unprimeable number, because it can be changed into a prime (865306133) 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, 3327971 + ... + 3328230.

Almost surely, 2^865306130 is an apocalyptic number.

865306130 is a deficient number, since it is larger than the sum of its proper divisors (812056774).

865306130 is a wasteful number, since it uses less digits than its factorization.

865306130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656221.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 865306130 is about 29416.0862454542. The cubic root of 865306130 is about 952.9203321609.

Adding to 865306130 its reverse (31603568), we get a palindrome (896909698).

The spelling of 865306130 in words is "eight hundred sixty-five million, three hundred six thousand, one hundred thirty".