1310727781359 has 12 divisors (see below), whose sum is σ = 1893290334936. Its totient is φ = 873810733392.

The previous prime is 1310727781333. The next prime is 1310727781369. The reversal of 1310727781359 is 9531877270131.

1310727781359 is a `hidden beast` number, since 1 + 3 + 10 + 7 + 277 + 8 + 1 + 359 = 666.

It is not a de Polignac number, because 1310727781359 - 2⁹ = 1310727780847 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310727781369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529677 + ... + 1703529.

It is an arithmetic number, because the mean of its divisors is an integer number (157774194578).

Almost surely, 2^{1310727781359} is an apocalyptic number.

1310727781359 is a deficient number, since it is larger than the sum of its proper divisors (582562553577).

1310727781359 is a wasteful number, since it uses less digits than its factorization.

1310727781359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297926 (or 1297923 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The spelling of 1310727781359 in words is "one trillion, three hundred ten billion, seven hundred twenty-seven million, seven hundred eighty-one thousand, three hundred fifty-nine".