1306088906 has 8 divisors (see below), whose sum is σ = 1966757220. Its totient is φ = 650503168.

The previous prime is 1306088891. The next prime is 1306088947. The reversal of 1306088906 is 6098806031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1131716881 + 174372025 = 33641^2 + 13205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270001 + ... + 1271028.

Almost surely, 2^1306088906 is an apocalyptic number.

1306088906 is a deficient number, since it is larger than the sum of its proper divisors (660668314).

1306088906 is a wasteful number, since it uses less digits than its factorization.

1306088906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541288.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1306088906 is about 36139.8520472898. The cubic root of 1306088906 is about 1093.0941754768.

The spelling of 1306088906 in words is "one billion, three hundred six million, eighty-eight thousand, nine hundred six".