135233216 has 28 divisors (see below), whose sum is σ = 268769592. Its totient is φ = 67511808.

The previous prime is 135233213. The next prime is 135233257. The reversal of 135233216 is 612332531.

It is not an unprimeable number, because it can be changed into a prime (135233213) 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 3 ways as a sum of consecutive naturals, for example, 55316 + ... + 57708.

It is an arithmetic number, because the mean of its divisors is an integer number (9598914).

Almost surely, 2^135233216 is an apocalyptic number.

135233216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135233216 is a deficient number, since it is larger than the sum of its proper divisors (133536376).

135233216 is an equidigital number, since it uses as much as digits as its factorization.

135233216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288 (or 3278 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 135233216 is about 11628.9817267033. The cubic root of 135233216 is about 513.2880168388.

Adding to 135233216 its reverse (612332531), we get a palindrome (747565747).

The spelling of 135233216 in words is "one hundred thirty-five million, two hundred thirty-three thousand, two hundred sixteen".