133836273 has 8 divisors (see below), whose sum is σ = 198276000. Its totient is φ = 89224164.

The previous prime is 133836239. The next prime is 133836293. The reversal of 133836273 is 372638331.

It is a happy number.

133836273 is a `hidden beast` number, since 1 + 3 + 383 + 6 + 273 = 666.

It is not a de Polignac number, because 133836273 - 2¹³ = 133828081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133836233) 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, 2478423 + ... + 2478476.

It is an arithmetic number, because the mean of its divisors is an integer number (24784500).

Almost surely, 2^133836273 is an apocalyptic number.

It is an amenable number.

133836273 is a deficient number, since it is larger than the sum of its proper divisors (64439727).

133836273 is an equidigital number, since it uses as much as digits as its factorization.

133836273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956908 (or 4956902 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 133836273 is about 11568.7628119864. The cubic root of 133836273 is about 511.5144946486.

The spelling of 133836273 in words is "one hundred thirty-three million, eight hundred thirty-six thousand, two hundred seventy-three".