1308394099 has 2 divisors, whose sum is σ = 1308394100. Its totient is φ = 1308394098.

The previous prime is 1308394079. The next prime is 1308394159. The reversal of 1308394099 is 9904938031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1308394099 - 2⁹ = 1308393587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1308394049) 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 as a sum of consecutive naturals, namely, 654197049 + 654197050.

It is an arithmetic number, because the mean of its divisors is an integer number (654197050).

Almost surely, 2^1308394099 is an apocalyptic number.

1308394099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308394099 is an equidigital number, since it uses as much as digits as its factorization.

1308394099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 1308394099 is about 36171.7306608351. The cubic root of 1308394099 is about 1093.7368862036.

The spelling of 1308394099 in words is "one billion, three hundred eight million, three hundred ninety-four thousand, ninety-nine".