1316739705280 has 112 divisors (see below), whose sum is σ = 3161133652320. Its totient is φ = 522395136000.

The previous prime is 1316739705241. The next prime is 1316739705301. The reversal of 1316739705280 is 825079376131.

It is a super-2 number, since 2×1316739705280² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 47179330 + ... + 47207230.

It is an arithmetic number, because the mean of its divisors is an integer number (28224407610).

Almost surely, 2^{1316739705280} is an apocalyptic number.

1316739705280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316739705280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580566826160).

1316739705280 is an abundant number, since it is smaller than the sum of its proper divisors (1844393947040).

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

1316739705280 is a wasteful number, since it uses less digits than its factorization.

1316739705280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29118 (or 29108 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 1316739705280 in words is "one trillion, three hundred sixteen billion, seven hundred thirty-nine million, seven hundred five thousand, two hundred eighty".