133280488 has 16 divisors (see below), whose sum is σ = 272619360. Its totient is φ = 60582000.

The previous prime is 133280479. The next prime is 133280503. The reversal of 133280488 is 884082331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757188 + ... + 757363.

It is an arithmetic number, because the mean of its divisors is an integer number (17038710).

Almost surely, 2^133280488 is an apocalyptic number.

It is an amenable number.

133280488 is an abundant number, since it is smaller than the sum of its proper divisors (139338872).

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

133280488 is a wasteful number, since it uses less digits than its factorization.

133280488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514568 (or 1514564 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 133280488 is about 11544.7168869574. The cubic root of 133280488 is about 510.8054528813.

The spelling of 133280488 in words is "one hundred thirty-three million, two hundred eighty thousand, four hundred eighty-eight".