135328793 has 2 divisors, whose sum is σ = 135328794. Its totient is φ = 135328792.

The previous prime is 135328771. The next prime is 135328807. The reversal of 135328793 is 397823531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 10067929 = 11192^2 + 3173^2 .

It is a cyclic number.

It is not a de Polignac number, because 135328793 - 2⁶ = 135328729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135328793.

It is not a weakly prime, because it can be changed into another prime (135328493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67664396 + 67664397.

It is an arithmetic number, because the mean of its divisors is an integer number (67664397).

Almost surely, 2^135328793 is an apocalyptic number.

It is an amenable number.

135328793 is a deficient number, since it is larger than the sum of its proper divisors (1).

135328793 is an equidigital number, since it uses as much as digits as its factorization.

135328793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 135328793 is about 11633.0904320391. The cubic root of 135328793 is about 513.4089116340.

The spelling of 135328793 in words is "one hundred thirty-five million, three hundred twenty-eight thousand, seven hundred ninety-three".