1306805530986 has 48 divisors (see below), whose sum is σ = 3023226588096. Its totient is φ = 406972798848.

The previous prime is 1306805530967. The next prime is 1306805531027. The reversal of 1306805530986 is 6890355086031.

1306805530986 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 8 + 0 + 553 + 0 + 9 + 86 = 666.

It is a super-2 number, since 2×1306805530986² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36686095 + ... + 36721698.

It is an arithmetic number, because the mean of its divisors is an integer number (62983887252).

Almost surely, 2^{1306805530986} is an apocalyptic number.

1306805530986 is an abundant number, since it is smaller than the sum of its proper divisors (1716421057110).

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

1306805530986 is a wasteful number, since it uses less digits than its factorization.

1306805530986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73407867 (or 73407864 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 1306805530986 in words is "one trillion, three hundred six billion, eight hundred five million, five hundred thirty thousand, nine hundred eighty-six".