135133326 has 32 divisors (see below), whose sum is σ = 313355520. Its totient is φ = 43085592.

The previous prime is 135133307. The next prime is 135133331. The reversal of 135133326 is 623331531.

It is a happy number.

It is a super-2 number, since 2×135133326² = 36522031591644552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 135133326.

It is a congruent number.

It is an unprimeable number.

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, 53160 + ... + 55643.

It is an arithmetic number, because the mean of its divisors is an integer number (9792360).

Almost surely, 2^135133326 is an apocalyptic number.

135133326 is an abundant number, since it is smaller than the sum of its proper divisors (178222194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135133326 is a wasteful number, since it uses less digits than its factorization.

135133326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108837 (or 108831 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 135133326 is about 11624.6860602771. The cubic root of 135133326 is about 513.1616056636.

Adding to 135133326 its reverse (623331531), we get a palindrome (758464857).

The spelling of 135133326 in words is "one hundred thirty-five million, one hundred thirty-three thousand, three hundred twenty-six".