133293276 has 60 divisors (see below), whose sum is σ = 350095592. Its totient is φ = 44404848.

The previous prime is 133293263. The next prime is 133293301. The reversal of 133293276 is 672392331.

133293276 is a `hidden beast` number, since 1 + 3 + 329 + 327 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 133293276.

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 19 ways as a sum of consecutive naturals, for example, 77886 + ... + 79578.

Almost surely, 2^133293276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133293276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175047796).

133293276 is an abundant number, since it is smaller than the sum of its proper divisors (216802316).

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

133293276 is an frugal number, since it uses more digits than its factorization.

133293276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1698 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 133293276 is about 11545.2707200827. The cubic root of 133293276 is about 510.8217892842.

The spelling of 133293276 in words is "one hundred thirty-three million, two hundred ninety-three thousand, two hundred seventy-six".