133321488 has 20 divisors (see below), whose sum is σ = 344413968. Its totient is φ = 44440480.

The previous prime is 133321477. The next prime is 133321519. The reversal of 133321488 is 884123331.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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, 1388718 + ... + 1388813.

Almost surely, 2^133321488 is an apocalyptic number.

It is an amenable number.

133321488 is an abundant number, since it is smaller than the sum of its proper divisors (211092480).

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

133321488 is a wasteful number, since it uses less digits than its factorization.

133321488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777542 (or 2777536 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 133321488 is about 11546.4924544210. The cubic root of 133321488 is about 510.8578258299.

The spelling of 133321488 in words is "one hundred thirty-three million, three hundred twenty-one thousand, four hundred eighty-eight".