133503352 has 8 divisors (see below), whose sum is σ = 250318800. Its totient is φ = 66751672.

The previous prime is 133503341. The next prime is 133503353. The reversal of 133503352 is 253305331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133503353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8343952 + ... + 8343967.

It is an arithmetic number, because the mean of its divisors is an integer number (31289850).

Almost surely, 2^133503352 is an apocalyptic number.

It is an amenable number.

133503352 is a deficient number, since it is larger than the sum of its proper divisors (116815448).

133503352 is a wasteful number, since it uses less digits than its factorization.

133503352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16687925 (or 16687921 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 133503352 is about 11554.3650626073. The cubic root of 133503352 is about 511.0900075443.

Adding to 133503352 its reverse (253305331), we get a palindrome (386808683).

The spelling of 133503352 in words is "one hundred thirty-three million, five hundred three thousand, three hundred fifty-two".