530136844 has 24 divisors (see below), whose sum is σ = 975165408. Its totient is φ = 251687040.

The previous prime is 530136811. The next prime is 530136863. The reversal of 530136844 is 448631035.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 8427 + ... + 33634.

It is an arithmetic number, because the mean of its divisors is an integer number (40631892).

Almost surely, 2^530136844 is an apocalyptic number.

It is an amenable number.

530136844 is a deficient number, since it is larger than the sum of its proper divisors (445028564).

530136844 is a wasteful number, since it uses less digits than its factorization.

530136844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42225 (or 42223 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 530136844 is about 23024.7007363831. The cubic root of 530136844 is about 809.3368773783.

Adding to 530136844 its reverse (448631035), we get a palindrome (978767879).

The spelling of 530136844 in words is "five hundred thirty million, one hundred thirty-six thousand, eight hundred forty-four".