133004985 has 16 divisors (see below), whose sum is σ = 213915264. Its totient is φ = 70566912.

The previous prime is 133004969. The next prime is 133005007. The reversal of 133004985 is 589400331.

It is not a de Polignac number, because 133004985 - 2⁴ = 133004969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077 + ... + 25866.

It is an arithmetic number, because the mean of its divisors is an integer number (13369704).

Almost surely, 2^133004985 is an apocalyptic number.

133004985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133004985 is a deficient number, since it is larger than the sum of its proper divisors (80910279).

133004985 is a wasteful number, since it uses less digits than its factorization.

133004985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46144.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 133004985 is about 11532.7787198056. The cubic root of 133004985 is about 510.4532495081.

The spelling of 133004985 in words is "one hundred thirty-three million, four thousand, nine hundred eighty-five".