133480128 has 56 divisors (see below), whose sum is σ = 354033328. Its totient is φ = 44384256.

The previous prime is 133480099. The next prime is 133480157. The reversal of 133480128 is 821084331.

It is an interprime number because it is at equal distance from previous prime (133480099) and next prime (133480157).

It is a junction number, because it is equal to n+sod(n) for n = 133480095 and 133480104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128700 + ... + 129732.

Almost surely, 2^133480128 is an apocalyptic number.

It is an amenable number.

133480128 is an abundant number, since it is smaller than the sum of its proper divisors (220553200).

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

133480128 is a wasteful number, since it uses less digits than its factorization.

133480128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 133480128 is about 11553.3600307443. The cubic root of 133480128 is about 511.0603697299.

The spelling of 133480128 in words is "one hundred thirty-three million, four hundred eighty thousand, one hundred twenty-eight".