133276 has 24 divisors (see below), whose sum is σ = 275184. Its totient is φ = 55680.

The previous prime is 133271. The next prime is 133277. The reversal of 133276 is 672331.

133276 = T₁₄₃ + T₁₄₄ + ... + T₁₅₄.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 3 + 2¹⁷ + 3⁷ + 7 + 6 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133271) by changing a digit.

133276 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 688.

It is an arithmetic number, because the mean of its divisors is an integer number (11466).

2¹³³²⁷⁶ is an apocalyptic number.

It is an amenable number.

133276 is an abundant number, since it is smaller than the sum of its proper divisors (141908).

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

133276 is a wasteful number, since it uses less digits than its factorization.

133276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 259 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 133276 is about 365.0698563289. The cubic root of 133276 is about 51.0799719307.

The spelling of 133276 in words is "one hundred thirty-three thousand, two hundred seventy-six".