133925933 has 2 divisors, whose sum is σ = 133925934. Its totient is φ = 133925932.

The previous prime is 133925893. The next prime is 133925947. The reversal of 133925933 is 339529331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93450889 + 40475044 = 9667^2 + 6362^2 .

It is an emirp because it is prime and its reverse (339529331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133925933 - 2²⁰ = 132877357 is a prime.

It is a super-3 number, since 3×133925933³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133925963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66962966 + 66962967.

It is an arithmetic number, because the mean of its divisors is an integer number (66962967).

Almost surely, 2^133925933 is an apocalyptic number.

It is an amenable number.

133925933 is a deficient number, since it is larger than the sum of its proper divisors (1).

133925933 is an equidigital number, since it uses as much as digits as its factorization.

133925933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 38.

The square root of 133925933 is about 11572.6372534526. The cubic root of 133925933 is about 511.6286942622.

It can be divided in two parts, 1339 and 25933, that added together give a palindrome (27272).

The spelling of 133925933 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, nine hundred thirty-three".