1306826634630 has 64 divisors (see below), whose sum is σ = 3421845907200. Its totient is φ = 316775329920.

The previous prime is 1306826634599. The next prime is 1306826634689. The reversal of 1306826634630 is 364366286031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306826634630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3262156 + ... + 3640784.

It is an arithmetic number, because the mean of its divisors is an integer number (53466342300).

Almost surely, 2^{1306826634630} is an apocalyptic number.

1306826634630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306826634630 is an abundant number, since it is smaller than the sum of its proper divisors (2115019272570).

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

1306826634630 is a wasteful number, since it uses less digits than its factorization.

1306826634630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389109.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 1306826634630 in words is "one trillion, three hundred six billion, eight hundred twenty-six million, six hundred thirty-four thousand, six hundred thirty".