133040652 has 24 divisors (see below), whose sum is σ = 314802432. Its totient is φ = 43722000.

The previous prime is 133040651. The next prime is 133040683. The reversal of 133040652 is 256040331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133040651) 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, 77224 + ... + 78927.

It is an arithmetic number, because the mean of its divisors is an integer number (13116768).

Almost surely, 2^133040652 is an apocalyptic number.

133040652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133040652 is an abundant number, since it is smaller than the sum of its proper divisors (181761780).

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

133040652 is a wasteful number, since it uses less digits than its factorization.

133040652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156229 (or 156227 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133040652 is about 11534.3249477375. The cubic root of 133040652 is about 510.4988736348.

Adding to 133040652 its reverse (256040331), we get a palindrome (389080983).

The spelling of 133040652 in words is "one hundred thirty-three million, forty thousand, six hundred fifty-two".