133618352 has 20 divisors (see below), whose sum is σ = 295869456. Its totient is φ = 57264960.

The previous prime is 133618349. The next prime is 133618361. The reversal of 133618352 is 253816331.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596399 + ... + 596622.

Almost surely, 2^133618352 is an apocalyptic number.

It is an amenable number.

133618352 is an abundant number, since it is smaller than the sum of its proper divisors (162251104).

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

133618352 is a wasteful number, since it uses less digits than its factorization.

133618352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193036 (or 1193030 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 133618352 is about 11559.3404656148. The cubic root of 133618352 is about 511.2367166759.

The spelling of 133618352 in words is "one hundred thirty-three million, six hundred eighteen thousand, three hundred fifty-two".