133245352 has 32 divisors (see below), whose sum is σ = 253209600. Its totient is φ = 65729664.

The previous prime is 133245349. The next prime is 133245383. The reversal of 133245352 is 253542331.

It is a self number, because there is not a number n which added to its sum of digits gives 133245352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317799 + ... + 318217.

It is an arithmetic number, because the mean of its divisors is an integer number (7912800).

Almost surely, 2^133245352 is an apocalyptic number.

It is an amenable number.

133245352 is a deficient number, since it is larger than the sum of its proper divisors (119964248).

133245352 is a wasteful number, since it uses less digits than its factorization.

133245352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 861 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 133245352 is about 11543.1950516311. The cubic root of 133245352 is about 510.7605619949.

Adding to 133245352 its reverse (253542331), we get a palindrome (386787683).

The spelling of 133245352 in words is "one hundred thirty-three million, two hundred forty-five thousand, three hundred fifty-two".