133941248 has 48 divisors (see below), whose sum is σ = 306109440. Its totient is φ = 57397248.

The previous prime is 133941217. The next prime is 133941307. The reversal of 133941248 is 842149331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9665 + ... + 19007.

It is an arithmetic number, because the mean of its divisors is an integer number (6377280).

Almost surely, 2^133941248 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 133941248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153054720).

133941248 is an abundant number, since it is smaller than the sum of its proper divisors (172168192).

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

133941248 is an frugal number, since it uses more digits than its factorization.

133941248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372 (or 9352 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 133941248 is about 11573.2989246800. The cubic root of 133941248 is about 511.6481958245.

The spelling of 133941248 in words is "one hundred thirty-three million, nine hundred forty-one thousand, two hundred forty-eight".