133716080 has 20 divisors (see below), whose sum is σ = 310890072. Its totient is φ = 53486400.

The previous prime is 133716061. The next prime is 133716097. The reversal of 133716080 is 80617331.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 835646 + ... + 835805.

Almost surely, 2^133716080 is an apocalyptic number.

133716080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133716080 is an abundant number, since it is smaller than the sum of its proper divisors (177173992).

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

133716080 is a wasteful number, since it uses less digits than its factorization.

133716080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671464 (or 1671458 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 133716080 is about 11563.5669237481. The cubic root of 133716080 is about 511.3613252229.

The spelling of 133716080 in words is "one hundred thirty-three million, seven hundred sixteen thousand, eighty".