133488882 has 12 divisors (see below), whose sum is σ = 289225950. Its totient is φ = 44496288.

The previous prime is 133488881. The next prime is 133488893. The reversal of 133488882 is 288884331.

It can be written as a sum of positive squares in only one way, i.e., 125417601 + 8071281 = 11199^2 + 2841^2 .

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 5 ways as a sum of consecutive naturals, for example, 3708007 + ... + 3708042.

Almost surely, 2^133488882 is an apocalyptic number.

133488882 is an abundant number, since it is smaller than the sum of its proper divisors (155737068).

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

133488882 is a wasteful number, since it uses less digits than its factorization.

133488882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416057 (or 7416054 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 133488882 is about 11553.7388753598. The cubic root of 133488882 is about 511.0715417417.

The spelling of 133488882 in words is "one hundred thirty-three million, four hundred eighty-eight thousand, eight hundred eighty-two".