133774224 has 80 divisors (see below), whose sum is σ = 371226240. Its totient is φ = 41359360.

The previous prime is 133774219. The next prime is 133774261. The reversal of 133774224 is 422477331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56782 + ... + 59090.

It is an arithmetic number, because the mean of its divisors is an integer number (4640328).

Almost surely, 2^133774224 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 133774224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185613120).

133774224 is an abundant number, since it is smaller than the sum of its proper divisors (237452016).

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

133774224 is a wasteful number, since it uses less digits than its factorization.

133774224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2402 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 133774224 is about 11566.0807536520. The cubic root of 133774224 is about 511.4354331995.

The spelling of 133774224 in words is "one hundred thirty-three million, seven hundred seventy-four thousand, two hundred twenty-four".