135532311 has 8 divisors (see below), whose sum is σ = 183185520. Its totient is φ = 89116992.

The previous prime is 135532303. The next prime is 135532363. The reversal of 135532311 is 113235531.

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

It is not a de Polignac number, because 135532311 - 2³ = 135532303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135532391) 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, 309216 + ... + 309653.

It is an arithmetic number, because the mean of its divisors is an integer number (22898190).

Almost surely, 2^135532311 is an apocalyptic number.

135532311 is a deficient number, since it is larger than the sum of its proper divisors (47653209).

135532311 is an equidigital number, since it uses as much as digits as its factorization.

135532311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618945.

The product of its digits is 1350, while the sum is 24.

The square root of 135532311 is about 11641.8345203838. The cubic root of 135532311 is about 513.6661508542. Note that the first 3 decimals are identical.

Adding to 135532311 its reverse (113235531), we get a palindrome (248767842).

The spelling of 135532311 in words is "one hundred thirty-five million, five hundred thirty-two thousand, three hundred eleven".