1306306156 has 12 divisors (see below), whose sum is σ = 2334675168. Its totient is φ = 639256112.

The previous prime is 1306306153. The next prime is 1306306181. The reversal of 1306306156 is 6516036031.

It is not an unprimeable number, because it can be changed into a prime (1306306153) by changing a digit.

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, 3474031 + ... + 3474406.

It is an arithmetic number, because the mean of its divisors is an integer number (194556264).

Almost surely, 2^1306306156 is an apocalyptic number.

It is an amenable number.

1306306156 is a deficient number, since it is larger than the sum of its proper divisors (1028369012).

1306306156 is a wasteful number, since it uses less digits than its factorization.

1306306156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948488 (or 6948486 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1306306156 is about 36142.8576070017. The cubic root of 1306306156 is about 1093.1547791981.

The spelling of 1306306156 in words is "one billion, three hundred six million, three hundred six thousand, one hundred fifty-six".