133534112 has 48 divisors (see below), whose sum is σ = 273030912. Its totient is φ = 64220160.

The previous prime is 133534091. The next prime is 133534117. The reversal of 133534112 is 211435331.

It is not an unprimeable number, because it can be changed into a prime (133534117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224888 + ... + 225480.

It is an arithmetic number, because the mean of its divisors is an integer number (5688144).

Almost surely, 2^133534112 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 133534112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136515456).

133534112 is an abundant number, since it is smaller than the sum of its proper divisors (139496800).

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

133534112 is a wasteful number, since it uses less digits than its factorization.

133534112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 853 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 133534112 is about 11555.6960846156. The cubic root of 133534112 is about 511.1292572987.

Adding to 133534112 its reverse (211435331), we get a palindrome (344969443).

The spelling of 133534112 in words is "one hundred thirty-three million, five hundred thirty-four thousand, one hundred twelve".