1028135099 has 2 divisors, whose sum is σ = 1028135100. Its totient is φ = 1028135098.

The previous prime is 1028135089. The next prime is 1028135113. The reversal of 1028135099 is 9905318201.

1028135099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028135099 - 2²⁴ = 1011357883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028135039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514067549 + 514067550.

It is an arithmetic number, because the mean of its divisors is an integer number (514067550).

Almost surely, 2^1028135099 is an apocalyptic number.

1028135099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028135099 is an equidigital number, since it uses as much as digits as its factorization.

1028135099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1028135099 is about 32064.5458255688. The cubic root of 1028135099 is about 1009.2917620836.

The spelling of 1028135099 in words is "one billion, twenty-eight million, one hundred thirty-five thousand, ninety-nine".