133675237 has 2 divisors, whose sum is σ = 133675238. Its totient is φ = 133675236.

The previous prime is 133675187. The next prime is 133675249. The reversal of 133675237 is 732576331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82609921 + 51065316 = 9089^2 + 7146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133675237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133675196 and 133675205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133675277) 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 as a sum of consecutive naturals, namely, 66837618 + 66837619.

It is an arithmetic number, because the mean of its divisors is an integer number (66837619).

Almost surely, 2^133675237 is an apocalyptic number.

It is an amenable number.

133675237 is a deficient number, since it is larger than the sum of its proper divisors (1).

133675237 is an equidigital number, since it uses as much as digits as its factorization.

133675237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 37.

The square root of 133675237 is about 11561.8007680465. The cubic root of 133675237 is about 511.3092555505.

The spelling of 133675237 in words is "one hundred thirty-three million, six hundred seventy-five thousand, two hundred thirty-seven".