1306327740 has 48 divisors (see below), whose sum is σ = 3662765568. Its totient is φ = 347873344.

The previous prime is 1306327733. The next prime is 1306327751. The reversal of 1306327740 is 477236031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29929 + ... + 59231.

It is an arithmetic number, because the mean of its divisors is an integer number (76307616).

Almost surely, 2^1306327740 is an apocalyptic number.

1306327740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306327740 is an abundant number, since it is smaller than the sum of its proper divisors (2356437828).

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

1306327740 is a wasteful number, since it uses less digits than its factorization.

1306327740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30058 (or 30056 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 1306327740 is about 36143.1561986498. The cubic root of 1306327740 is about 1093.1607998701.

The spelling of 1306327740 in words is "one billion, three hundred six million, three hundred twenty-seven thousand, seven hundred forty".