133673085 has 168 divisors, whose sum is σ = 307229184. Its totient is φ = 54587520.

The previous prime is 133673063. The next prime is 133673101. The reversal of 133673085 is 580376331.

It is not a de Polignac number, because 133673085 - 2⁵ = 133673053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 4312020 + ... + 4312050.

Almost surely, 2^133673085 is an apocalyptic number.

133673085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133673085 is an abundant number, since it is smaller than the sum of its proper divisors (173556099).

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

133673085 is an equidigital number, since it uses as much as digits as its factorization.

133673085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 133673085 is about 11561.7077025844. The cubic root of 133673085 is about 511.3065117279.

The spelling of 133673085 in words is "one hundred thirty-three million, six hundred seventy-three thousand, eighty-five".