133488884 has 12 divisors (see below), whose sum is σ = 234516324. Its totient is φ = 66484224.

The previous prime is 133488881. The next prime is 133488893. The reversal of 133488884 is 488884331.

It can be written as a sum of positive squares in 2 ways, for example, as 64963600 + 68525284 = 8060^2 + 8278^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133488881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63899 + ... + 65954.

It is an arithmetic number, because the mean of its divisors is an integer number (19543027).

Almost surely, 2^133488884 is an apocalyptic number.

It is an amenable number.

133488884 is a deficient number, since it is larger than the sum of its proper divisors (101027440).

133488884 is a wasteful number, since it uses less digits than its factorization.

133488884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130114 (or 130112 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 133488884 is about 11553.7389619119. The cubic root of 133488884 is about 511.0715442941.

The spelling of 133488884 in words is "one hundred thirty-three million, four hundred eighty-eight thousand, eight hundred eighty-four".