320134436 has 24 divisors (see below), whose sum is σ = 564550560. Its totient is φ = 158840000.

The previous prime is 320134391. The next prime is 320134453. The reversal of 320134436 is 634431023.

It is a happy number.

It is a super-2 number, since 2×320134436² = 204972114226076192, which contains 22 as substring.

It is an unprimeable number.

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, 420296 + ... + 421056.

It is an arithmetic number, because the mean of its divisors is an integer number (23522940).

Almost surely, 2^320134436 is an apocalyptic number.

It is an amenable number.

320134436 is a deficient number, since it is larger than the sum of its proper divisors (244416124).

320134436 is a wasteful number, since it uses less digits than its factorization.

320134436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 320134436 is about 17892.3010258603. The cubic root of 320134436 is about 684.0861495631.

Adding to 320134436 its reverse (634431023), we get a palindrome (954565459).

The spelling of 320134436 in words is "three hundred twenty million, one hundred thirty-four thousand, four hundred thirty-six".