133509080 has 32 divisors (see below), whose sum is σ = 300799440. Its totient is φ = 53331840.

The previous prime is 133509071. The next prime is 133509107. The reversal of 133509080 is 80905331.

It is a congruent number.

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, 35867 + ... + 39413.

Almost surely, 2^133509080 is an apocalyptic number.

133509080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133509080 is an abundant number, since it is smaller than the sum of its proper divisors (167290360).

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

133509080 is a wasteful number, since it uses less digits than its factorization.

133509080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499 (or 4495 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 133509080 is about 11554.6129316390. The cubic root of 133509080 is about 511.0973169280.

The spelling of 133509080 in words is "one hundred thirty-three million, five hundred nine thousand, eighty".