133675238 has 16 divisors (see below), whose sum is σ = 208258560. Its totient is φ = 64304136.

The previous prime is 133675237. The next prime is 133675249. The reversal of 133675238 is 832576331.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133675237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6506 + ... + 17597.

It is an arithmetic number, because the mean of its divisors is an integer number (13016160).

Almost surely, 2^133675238 is an apocalyptic number.

133675238 is a deficient number, since it is larger than the sum of its proper divisors (74583322).

133675238 is a wasteful number, since it uses less digits than its factorization.

133675238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24211.

The product of its digits is 90720, while the sum is 38.

The square root of 133675238 is about 11561.8008112923. The cubic root of 133675238 is about 511.3092568256.

The spelling of 133675238 in words is "one hundred thirty-three million, six hundred seventy-five thousand, two hundred thirty-eight".