133405335 has 24 divisors (see below), whose sum is σ = 264270240. Its totient is φ = 60985152.

The previous prime is 133405333. The next prime is 133405339. The reversal of 133405335 is 533504331.

It is a happy number.

It is not a de Polignac number, because 133405335 - 2¹ = 133405333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133405299 and 133405308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133405333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211440 + ... + 212069.

It is an arithmetic number, because the mean of its divisors is an integer number (11011260).

Almost surely, 2^133405335 is an apocalyptic number.

133405335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133405335 is a deficient number, since it is larger than the sum of its proper divisors (130864905).

133405335 is a wasteful number, since it uses less digits than its factorization.

133405335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423527 (or 423524 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 133405335 is about 11550.1227266207. The cubic root of 133405335 is about 510.9648976415.

Adding to 133405335 its reverse (533504331), we get a palindrome (666909666).

The spelling of 133405335 in words is "one hundred thirty-three million, four hundred five thousand, three hundred thirty-five".