135533305 has 8 divisors (see below), whose sum is σ = 162907272. Its totient is φ = 108248448.

The previous prime is 135533297. The next prime is 135533309. The reversal of 135533305 is 503335531.

It can be written as a sum of positive squares in 4 ways, for example, as 10361961 + 125171344 = 3219^2 + 11188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135533305 - 2³ = 135533297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135533309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18882 + ... + 25051.

It is an arithmetic number, because the mean of its divisors is an integer number (20363409).

Almost surely, 2^135533305 is an apocalyptic number.

It is an amenable number.

135533305 is a deficient number, since it is larger than the sum of its proper divisors (27373967).

135533305 is an equidigital number, since it uses as much as digits as its factorization.

135533305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44555.

The product of its (nonzero) digits is 10125, while the sum is 28.

The square root of 135533305 is about 11641.8772111717. The cubic root of 135533305 is about 513.6674066012.

Adding to 135533305 its reverse (503335531), we get a palindrome (638868836).

The spelling of 135533305 in words is "one hundred thirty-five million, five hundred thirty-three thousand, three hundred five".