320452135 has 4 divisors (see below), whose sum is σ = 384542568. Its totient is φ = 256361704.

The previous prime is 320452109. The next prime is 320452141. The reversal of 320452135 is 531254023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320452135 - 2⁵ = 320452103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32045209 + ... + 32045218.

It is an arithmetic number, because the mean of its divisors is an integer number (96135642).

Almost surely, 2^320452135 is an apocalyptic number.

320452135 is a deficient number, since it is larger than the sum of its proper divisors (64090433).

320452135 is an equidigital number, since it uses as much as digits as its factorization.

320452135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64090432.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 320452135 is about 17901.1769166164. The cubic root of 320452135 is about 684.3123687254.

The spelling of 320452135 in words is "three hundred twenty million, four hundred fifty-two thousand, one hundred thirty-five".