1320513276730 has 8 divisors (see below), whose sum is σ = 2376923898132. Its totient is φ = 528205310688.

The previous prime is 1320513276727. The next prime is 1320513276743. The reversal of 1320513276730 is 376723150231.

It can be written as a sum of positive squares in 2 ways, for example, as 1119196842241 + 201316434489 = 1057921^2 + 448683^2 .

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

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, 66025663827 + ... + 66025663846.

Almost surely, 2^{1320513276730} is an apocalyptic number.

1320513276730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320513276730 is a deficient number, since it is larger than the sum of its proper divisors (1056410621402).

1320513276730 is a wasteful number, since it uses less digits than its factorization.

1320513276730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132051327680.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 1320513276730 in words is "one trillion, three hundred twenty billion, five hundred thirteen million, two hundred seventy-six thousand, seven hundred thirty".