321134135145 has 8 divisors (see below), whose sum is σ = 513814616256. Its totient is φ = 171271538736.

The previous prime is 321134135087. The next prime is 321134135173. The reversal of 321134135145 is 541531431123.

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

It is not a de Polignac number, because 321134135145 - 2⁶ = 321134135081 is a prime.

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, 10704471157 + ... + 10704471186.

It is an arithmetic number, because the mean of its divisors is an integer number (64226827032).

Almost surely, 2^321134135145 is an apocalyptic number.

It is an amenable number.

321134135145 is a deficient number, since it is larger than the sum of its proper divisors (192680481111).

321134135145 is a wasteful number, since it uses less digits than its factorization.

321134135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21408942351.

The product of its digits is 21600, while the sum is 33.

Adding to 321134135145 its reverse (541531431123), we get a palindrome (862665566268).

The spelling of 321134135145 in words is "three hundred twenty-one billion, one hundred thirty-four million, one hundred thirty-five thousand, one hundred forty-five".