133107352 has 64 divisors (see below), whose sum is σ = 295269120. Its totient is φ = 55064448.

The previous prime is 133107343. The next prime is 133107353. The reversal of 133107352 is 253701331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133107353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470203 + ... + 470485.

It is an arithmetic number, because the mean of its divisors is an integer number (4613580).

Almost surely, 2^133107352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133107352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147634560).

133107352 is an abundant number, since it is smaller than the sum of its proper divisors (162161768).

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

133107352 is a wasteful number, since it uses less digits than its factorization.

133107352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 133107352 is about 11537.2159553334. The cubic root of 133107352 is about 510.5841723401.

Adding to 133107352 its reverse (253701331), we get a palindrome (386808683).

The spelling of 133107352 in words is "one hundred thirty-three million, one hundred seven thousand, three hundred fifty-two".