133343452 has 18 divisors (see below), whose sum is σ = 256494224. Its totient is φ = 60610440.

The previous prime is 133343423. The next prime is 133343453. The reversal of 133343452 is 254343331.

It is a self number, because there is not a number n which added to its sum of digits gives 133343452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133343453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137268 + ... + 138235.

Almost surely, 2^133343452 is an apocalyptic number.

It is an amenable number.

133343452 is a deficient number, since it is larger than the sum of its proper divisors (123150772).

133343452 is a wasteful number, since it uses less digits than its factorization.

133343452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275529 (or 275516 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 133343452 is about 11547.4435265993. The cubic root of 133343452 is about 510.8858779850.

Adding to 133343452 its reverse (254343331), we get a palindrome (387686783).

The spelling of 133343452 in words is "one hundred thirty-three million, three hundred forty-three thousand, four hundred fifty-two".