1307143087757 has 8 divisors (see below), whose sum is σ = 1445738301336. Its totient is φ = 1173982980672.

The previous prime is 1307143087729. The next prime is 1307143087759. The reversal of 1307143087757 is 7577803417031.

It can be written as a sum of positive squares in 4 ways, for example, as 268661842276 + 1038481245481 = 518326^2 + 1019059^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1307143087757 - 2³⁸ = 1032265180813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1307143087699 and 1307143087708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307143087759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358776118 + ... + 1358777079.

It is an arithmetic number, because the mean of its divisors is an integer number (180717287667).

Almost surely, 2^{1307143087757} is an apocalyptic number.

It is an amenable number.

1307143087757 is a deficient number, since it is larger than the sum of its proper divisors (138595213579).

1307143087757 is a wasteful number, since it uses less digits than its factorization.

1307143087757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717553247.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 1307143087757 in words is "one trillion, three hundred seven billion, one hundred forty-three million, eighty-seven thousand, seven hundred fifty-seven".