135323293 has 16 divisors (see below), whose sum is σ = 158482944. Its totient is φ = 113137920.

The previous prime is 135323291. The next prime is 135323297. The reversal of 135323293 is 392323531.

It is not a de Polignac number, because 135323293 - 2¹ = 135323291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135323291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138021 + ... + 138997.

It is an arithmetic number, because the mean of its divisors is an integer number (9905184).

Almost surely, 2^135323293 is an apocalyptic number.

It is an amenable number.

135323293 is a deficient number, since it is larger than the sum of its proper divisors (23159651).

135323293 is an equidigital number, since it uses as much as digits as its factorization.

135323293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 14580, while the sum is 31.

The square root of 135323293 is about 11632.8540350165. The cubic root of 135323293 is about 513.4019562596.

The spelling of 135323293 in words is "one hundred thirty-five million, three hundred twenty-three thousand, two hundred ninety-three".