133340235 has 16 divisors (see below), whose sum is σ = 243822336. Its totient is φ = 60955488.

The previous prime is 133340227. The next prime is 133340279. The reversal of 133340235 is 532043331.

It is a happy number.

It is not a de Polignac number, because 133340235 - 2³ = 133340227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634849 + ... + 635058.

It is an arithmetic number, because the mean of its divisors is an integer number (15238896).

Almost surely, 2^133340235 is an apocalyptic number.

133340235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133340235 is a deficient number, since it is larger than the sum of its proper divisors (110482101).

133340235 is a wasteful number, since it uses less digits than its factorization.

133340235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269922.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 133340235 is about 11547.3042308584. The cubic root of 133340235 is about 510.8817694641.

Adding to 133340235 its reverse (532043331), we get a palindrome (665383566).

The spelling of 133340235 in words is "one hundred thirty-three million, three hundred forty thousand, two hundred thirty-five".