133553112 has 64 divisors (see below), whose sum is σ = 416275200. Its totient is φ = 34688640.

The previous prime is 133553107. The next prime is 133553129. The reversal of 133553112 is 211355331.

It is a super-3 number, since 3×133553112³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34287 + ... + 37982.

It is an arithmetic number, because the mean of its divisors is an integer number (6504300).

Almost surely, 2^133553112 is an apocalyptic number.

133553112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133553112 is an abundant number, since it is smaller than the sum of its proper divisors (282722088).

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

133553112 is a wasteful number, since it uses less digits than its factorization.

133553112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72296 (or 72292 counting only the distinct ones).

The product of its digits is 1350, while the sum is 24.

The square root of 133553112 is about 11556.5181607611. The cubic root of 133553112 is about 511.1534982840.

The spelling of 133553112 in words is "one hundred thirty-three million, five hundred fifty-three thousand, one hundred twelve".