133844088 has 128 divisors (see below), whose sum is σ = 397440000. Its totient is φ = 37537920.

The previous prime is 133844083. The next prime is 133844099. The reversal of 133844088 is 880448331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133844083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584358 + ... + 584586.

It is an arithmetic number, because the mean of its divisors is an integer number (3105000).

Almost surely, 2^133844088 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 133844088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198720000).

133844088 is an abundant number, since it is smaller than the sum of its proper divisors (263595912).

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

133844088 is a wasteful number, since it uses less digits than its factorization.

133844088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 133844088 is about 11569.1005700530. The cubic root of 133844088 is about 511.5244506142.

The spelling of 133844088 in words is "one hundred thirty-three million, eight hundred forty-four thousand, eighty-eight".