1306632397756 has 24 divisors (see below), whose sum is σ = 2618933508576. Its totient is φ = 558770589120.

The previous prime is 1306632397753. The next prime is 1306632397757. The reversal of 1306632397756 is 6577932366031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306632397756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306632397753) 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 in 7 ways as a sum of consecutive naturals, for example, 50600371 + ... + 50626186.

It is an arithmetic number, because the mean of its divisors is an integer number (109122229524).

Almost surely, 2^{1306632397756} is an apocalyptic number.

It is an amenable number.

1306632397756 is an abundant number, since it is smaller than the sum of its proper divisors (1312301110820).

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

1306632397756 is a wasteful number, since it uses less digits than its factorization.

1306632397756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101227029 (or 101227027 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 58.

The spelling of 1306632397756 in words is "one trillion, three hundred six billion, six hundred thirty-two million, three hundred ninety-seven thousand, seven hundred fifty-six".