133275324 has 144 divisors (see below), whose sum is σ = 398598144. Its totient is φ = 33747840.

The previous prime is 133275319. The next prime is 133275343. The reversal of 133275324 is 423572331.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (15120) is a multiple of the sum of its prime factors (216).

It is a junction number, because it is equal to n+sod(n) for n = 133275291 and 133275300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1049349 + ... + 1049475.

Almost surely, 2^133275324 is an apocalyptic number.

133275324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133275324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199299072).

133275324 is an abundant number, since it is smaller than the sum of its proper divisors (265322820).

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

133275324 is a wasteful number, since it uses less digits than its factorization.

133275324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 183 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 133275324 is about 11544.4932327062. The cubic root of 133275324 is about 510.7988556830.

The spelling of 133275324 in words is "one hundred thirty-three million, two hundred seventy-five thousand, three hundred twenty-four".