133320750 has 32 divisors (see below), whose sum is σ = 332770464. Its totient is φ = 35552000.

The previous prime is 133320721. The next prime is 133320751. The reversal of 133320750 is 57023331.

It is a self number, because there is not a number n which added to its sum of digits gives 133320750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88131 + ... + 89630.

It is an arithmetic number, because the mean of its divisors is an integer number (10399077).

Almost surely, 2^133320750 is an apocalyptic number.

133320750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133320750 is an abundant number, since it is smaller than the sum of its proper divisors (199449714).

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

133320750 is a wasteful number, since it uses less digits than its factorization.

133320750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177781 (or 177771 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 133320750 is about 11546.4604966197. The cubic root of 133320750 is about 510.8568832117.

The spelling of 133320750 in words is "one hundred thirty-three million, three hundred twenty thousand, seven hundred fifty".