133500750 has 32 divisors (see below), whose sum is σ = 333219744. Its totient is φ = 35600000.

The previous prime is 133500739. The next prime is 133500781. The reversal of 133500750 is 57005331.

133500750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 133500750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88251 + ... + 89750.

It is an arithmetic number, because the mean of its divisors is an integer number (10413117).

Almost surely, 2^133500750 is an apocalyptic number.

133500750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133500750 is an abundant number, since it is smaller than the sum of its proper divisors (199718994).

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

133500750 is a wasteful number, since it uses less digits than its factorization.

133500750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178021 (or 178011 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 133500750 is about 11554.2524639199. The cubic root of 133500750 is about 511.0866871162.

The spelling of 133500750 in words is "one hundred thirty-three million, five hundred thousand, seven hundred fifty".