1306805530990 has 16 divisors (see below), whose sum is σ = 2384472559248. Its totient is φ = 515561633856.

The previous prime is 1306805530967. The next prime is 1306805531027. The reversal of 1306805530990 is 990355086031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895071552 + ... + 895073011.

It is an arithmetic number, because the mean of its divisors is an integer number (149029534953).

Almost surely, 2^{1306805530990} is an apocalyptic number.

1306805530990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306805530990 is a deficient number, since it is larger than the sum of its proper divisors (1077667028258).

1306805530990 is a wasteful number, since it uses less digits than its factorization.

1306805530990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790144643.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 1306805530990 in words is "one trillion, three hundred six billion, eight hundred five million, five hundred thirty thousand, nine hundred ninety".