320134403 has 8 divisors (see below), whose sum is σ = 327145728. Its totient is φ = 313198344.

The previous prime is 320134391. The next prime is 320134453. The reversal of 320134403 is 304431023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320134403 - 2⁴ = 320134387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320134453) 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, 10175 + ... + 27272.

It is an arithmetic number, because the mean of its divisors is an integer number (40893216).

Almost surely, 2^320134403 is an apocalyptic number.

320134403 is a deficient number, since it is larger than the sum of its proper divisors (7011325).

320134403 is a wasteful number, since it uses less digits than its factorization.

320134403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37633.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320134403 is about 17892.3001036759. The cubic root of 320134403 is about 684.0861260575.

Adding to 320134403 its reverse (304431023), we get a palindrome (624565426).

The spelling of 320134403 in words is "three hundred twenty million, one hundred thirty-four thousand, four hundred three".