133250 has 32 divisors (see below), whose sum is σ = 275184. Its totient is φ = 48000.

The previous prime is 133241. The next prime is 133253. The reversal of 133250 is 52331.

133250 = T₄₄ + T₄₅ + ... + T₉₅.

133250 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 8 ways, for example, as 11449 + 121801 = 107^2 + 349^2 .

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 133250.

It is not an unprimeable number, because it can be changed into a prime (133253) 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, 3230 + ... + 3270.

2¹³³²⁵⁰ is an apocalyptic number.

133250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133250 is an abundant number, since it is smaller than the sum of its proper divisors (141934).

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

133250 is a wasteful number, since it uses less digits than its factorization.

133250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 133250 is about 365.0342449689. The cubic root of 133250 is about 51.0766500882.

Adding to 133250 its reverse (52331), we get a palindrome (185581).

It can be divided in two parts, 133 and 250, that added together give a palindrome (383).

The spelling of 133250 in words is "one hundred thirty-three thousand, two hundred fifty".