133950 has 48 divisors (see below), whose sum is σ = 357120. Its totient is φ = 33120.

The previous prime is 133949. The next prime is 133963. The reversal of 133950 is 59331.

133950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2827 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (7440).

2¹³³⁹⁵⁰ is an apocalyptic number.

133950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178560).

133950 is an abundant number, since it is smaller than the sum of its proper divisors (223170).

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

133950 is a wasteful number, since it uses less digits than its factorization.

133950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 133950 is about 365.9918031869. The cubic root of 133950 is about 51.1659339635.

The spelling of 133950 in words is "one hundred thirty-three thousand, nine hundred fifty".