133055244 has 96 divisors (see below), whose sum is σ = 403504640. Its totient is φ = 37122624.

The previous prime is 133055239. The next prime is 133055257. The reversal of 133055244 is 442550331.

133055244 is a `hidden beast` number, since 133 + 0 + 5 + 524 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30462 + ... + 34554.

Almost surely, 2^133055244 is an apocalyptic number.

133055244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133055244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201752320).

133055244 is an abundant number, since it is smaller than the sum of its proper divisors (270449396).

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

133055244 is a wasteful number, since it uses less digits than its factorization.

133055244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 133055244 is about 11534.9574771648. The cubic root of 133055244 is about 510.5175369209.

The spelling of 133055244 in words is "one hundred thirty-three million, fifty-five thousand, two hundred forty-four".