133795216 has 20 divisors (see below), whose sum is σ = 259667532. Its totient is φ = 66784256.

The previous prime is 133795199. The next prime is 133795237. The reversal of 133795216 is 612597331.

It can be written as a sum of positive squares in 2 ways, for example, as 46185616 + 87609600 = 6796^2 + 9360^2 .

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, 3096 + ... + 16648.

Almost surely, 2^133795216 is an apocalyptic number.

133795216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133795216 is a deficient number, since it is larger than the sum of its proper divisors (125872316).

133795216 is a wasteful number, since it uses less digits than its factorization.

133795216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178 (or 14172 counting only the distinct ones).

The product of its digits is 34020, while the sum is 37.

The square root of 133795216 is about 11566.9881991813. The cubic root of 133795216 is about 511.4621834726.

The spelling of 133795216 in words is "one hundred thirty-three million, seven hundred ninety-five thousand, two hundred sixteen".