1320005616133 has 2 divisors, whose sum is σ = 1320005616134. Its totient is φ = 1320005616132.

The previous prime is 1320005616113. The next prime is 1320005616203. The reversal of 1320005616133 is 3316165000231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1280242464484 + 39763151649 = 1131478^2 + 199407^2 .

It is an emirp because it is prime and its reverse (3316165000231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320005616133 - 2¹⁷ = 1320005485061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320005616095 and 1320005616104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320005616113) by changing a digit.

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, 660002808066 + 660002808067.

It is an arithmetic number, because the mean of its divisors is an integer number (660002808067).

Almost surely, 2^{1320005616133} is an apocalyptic number.

It is an amenable number.

1320005616133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320005616133 is an equidigital number, since it uses as much as digits as its factorization.

1320005616133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 1320005616133 in words is "one trillion, three hundred twenty billion, five million, six hundred sixteen thousand, one hundred thirty-three".