133613080 has 16 divisors (see below), whose sum is σ = 300629520. Its totient is φ = 53445216.

The previous prime is 133613071. The next prime is 133613087. The reversal of 133613080 is 80316331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133613087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670124 + ... + 1670203.

It is an arithmetic number, because the mean of its divisors is an integer number (18789345).

Almost surely, 2^133613080 is an apocalyptic number.

133613080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133613080 is an abundant number, since it is smaller than the sum of its proper divisors (167016440).

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

133613080 is a wasteful number, since it uses less digits than its factorization.

133613080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340338 (or 3340334 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 133613080 is about 11559.1124226733. The cubic root of 133613080 is about 511.2299928605.

The spelling of 133613080 in words is "one hundred thirty-three million, six hundred thirteen thousand, eighty".