133738784 has 24 divisors (see below), whose sum is σ = 266636160. Its totient is φ = 66021696.

The previous prime is 133738751. The next prime is 133738789. The reversal of 133738784 is 487837331.

It is not an unprimeable number, because it can be changed into a prime (133738789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23924 + ... + 28979.

It is an arithmetic number, because the mean of its divisors is an integer number (11109840).

Almost surely, 2^133738784 is an apocalyptic number.

It is an amenable number.

133738784 is a deficient number, since it is larger than the sum of its proper divisors (132897376).

133738784 is an equidigital number, since it uses as much as digits as its factorization.

133738784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52992 (or 52984 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 133738784 is about 11564.5485860884. The cubic root of 133738784 is about 511.3902653736.

The spelling of 133738784 in words is "one hundred thirty-three million, seven hundred thirty-eight thousand, seven hundred eighty-four".