133505235 has 12 divisors (see below), whose sum is σ = 231409152. Its totient is φ = 71202768.

The previous prime is 133505231. The next prime is 133505243. The reversal of 133505235 is 532505331.

133505235 is a `hidden beast` number, since 133 + 5 + 0 + 523 + 5 = 666.

It is not a de Polignac number, because 133505235 - 2² = 133505231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133505199 and 133505208.

It is not an unprimeable number, because it can be changed into a prime (133505231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483347 + ... + 1483436.

It is an arithmetic number, because the mean of its divisors is an integer number (19284096).

Almost surely, 2^133505235 is an apocalyptic number.

133505235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133505235 is a deficient number, since it is larger than the sum of its proper divisors (97903917).

133505235 is a wasteful number, since it uses less digits than its factorization.

133505235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966794 (or 2966791 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 133505235 is about 11554.4465466763. The cubic root of 133505235 is about 511.0924104251.

The spelling of 133505235 in words is "one hundred thirty-three million, five hundred five thousand, two hundred thirty-five".