133935873 has 8 divisors (see below), whose sum is σ = 178637088. Its totient is φ = 89262624.

The previous prime is 133935869. The next prime is 133935887. The reversal of 133935873 is 378539331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133935873 - 2² = 133935869 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (133935803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10290 + ... + 19332.

It is an arithmetic number, because the mean of its divisors is an integer number (22329636).

Almost surely, 2^133935873 is an apocalyptic number.

It is an amenable number.

133935873 is a deficient number, since it is larger than the sum of its proper divisors (44701215).

133935873 is an equidigital number, since it uses as much as digits as its factorization.

133935873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983.

The product of its digits is 204120, while the sum is 42.

The square root of 133935873 is about 11573.0667067982. The cubic root of 133935873 is about 511.6413516649.

The spelling of 133935873 in words is "one hundred thirty-three million, nine hundred thirty-five thousand, eight hundred seventy-three".