321142134 has 8 divisors (see below), whose sum is σ = 642284280. Its totient is φ = 107047376.

The previous prime is 321142127. The next prime is 321142147. The reversal of 321142134 is 431241123.

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

321142134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 321142134.

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, 26761839 + ... + 26761850.

It is an arithmetic number, because the mean of its divisors is an integer number (80285535).

Almost surely, 2^321142134 is an apocalyptic number.

321142134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321142134 is a wasteful number, since it uses less digits than its factorization.

321142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53523694.

The product of its digits is 576, while the sum is 21.

The square root of 321142134 is about 17920.4390013191. The cubic root of 321142134 is about 684.8031714664.

Adding to 321142134 its reverse (431241123), we get a palindrome (752383257).

The spelling of 321142134 in words is "three hundred twenty-one million, one hundred forty-two thousand, one hundred thirty-four".