133484328 has 32 divisors (see below), whose sum is σ = 370790400. Its totient is φ = 44494704.

The previous prime is 133484311. The next prime is 133484333. The reversal of 133484328 is 823484331.

It is a happy number.

It is a super-2 number, since 2×133484328² = 35636131643223168, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133484292 and 133484301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308776 + ... + 309207.

It is an arithmetic number, because the mean of its divisors is an integer number (11587200).

Almost surely, 2^133484328 is an apocalyptic number.

133484328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133484328 is an abundant number, since it is smaller than the sum of its proper divisors (237306072).

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

133484328 is a wasteful number, since it uses less digits than its factorization.

133484328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617998 (or 617988 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 133484328 is about 11553.5417946187. The cubic root of 133484328 is about 511.0657299062.

The spelling of 133484328 in words is "one hundred thirty-three million, four hundred eighty-four thousand, three hundred twenty-eight".