1306306506 has 32 divisors (see below), whose sum is σ = 2771804160. Its totient is φ = 409265136.

The previous prime is 1306306481. The next prime is 1306306511. The reversal of 1306306506 is 6056036031.

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, 30636 + ... + 59591.

It is an arithmetic number, because the mean of its divisors is an integer number (86618880).

Almost surely, 2^1306306506 is an apocalyptic number.

1306306506 is an abundant number, since it is smaller than the sum of its proper divisors (1465497654).

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

1306306506 is a wasteful number, since it uses less digits than its factorization.

1306306506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90378.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1306306506 is about 36142.8624488985. The cubic root of 1306306506 is about 1093.1548768281.

The spelling of 1306306506 in words is "one billion, three hundred six million, three hundred six thousand, five hundred six".