1320323442194 has 4 divisors (see below), whose sum is σ = 1980485163294. Its totient is φ = 660161721096.

The previous prime is 1320323442169. The next prime is 1320323442223. The reversal of 1320323442194 is 4912443230231.

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

It can be written as a sum of positive squares in only one way, i.e., 785019036169 + 535304406025 = 886013^2 + 731645^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330080860547 + ... + 330080860550.

Almost surely, 2^{1320323442194} is an apocalyptic number.

1320323442194 is a deficient number, since it is larger than the sum of its proper divisors (660161721100).

1320323442194 is an equidigital number, since it uses as much as digits as its factorization.

1320323442194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660161721099.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 1320323442194 in words is "one trillion, three hundred twenty billion, three hundred twenty-three million, four hundred forty-two thousand, one hundred ninety-four".