1306722304340 has 24 divisors (see below), whose sum is σ = 2802502305792. Its totient is φ = 511567880480.

The previous prime is 1306722304231. The next prime is 1306722304361. The reversal of 1306722304340 is 434032276031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306722304340.

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, 695064116 + ... + 695065995.

It is an arithmetic number, because the mean of its divisors is an integer number (116770929408).

Almost surely, 2^{1306722304340} is an apocalyptic number.

1306722304340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306722304340 is an abundant number, since it is smaller than the sum of its proper divisors (1495780001452).

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

1306722304340 is a wasteful number, since it uses less digits than its factorization.

1306722304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390130167 (or 1390130165 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 1306722304340 in words is "one trillion, three hundred six billion, seven hundred twenty-two million, three hundred four thousand, three hundred forty".