133235652 has 24 divisors (see below), whose sum is σ = 339145632. Its totient is φ = 40374400.

The previous prime is 133235623. The next prime is 133235653. The reversal of 133235652 is 256532331.

It is not an unprimeable number, because it can be changed into a prime (133235653) 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 7 ways as a sum of consecutive naturals, for example, 504549 + ... + 504812.

It is an arithmetic number, because the mean of its divisors is an integer number (14131068).

Almost surely, 2^133235652 is an apocalyptic number.

133235652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133235652 is an abundant number, since it is smaller than the sum of its proper divisors (205909980).

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

133235652 is a wasteful number, since it uses less digits than its factorization.

133235652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009379 (or 1009377 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 133235652 is about 11542.7748830166. The cubic root of 133235652 is about 510.7481675721.

Adding to 133235652 its reverse (256532331), we get a palindrome (389767983).

The spelling of 133235652 in words is "one hundred thirty-three million, two hundred thirty-five thousand, six hundred fifty-two".