133984373 has 2 divisors, whose sum is σ = 133984374. Its totient is φ = 133984372.

The previous prime is 133984349. The next prime is 133984391. The reversal of 133984373 is 373489331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132549169 + 1435204 = 11513^2 + 1198^2 .

It is an emirp because it is prime and its reverse (373489331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133984373 - 2⁶ = 133984309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133984373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133984303) 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, 66992186 + 66992187.

It is an arithmetic number, because the mean of its divisors is an integer number (66992187).

Almost surely, 2^133984373 is an apocalyptic number.

It is an amenable number.

133984373 is a deficient number, since it is larger than the sum of its proper divisors (1).

133984373 is an equidigital number, since it uses as much as digits as its factorization.

133984373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 133984373 is about 11575.1618995157. The cubic root of 133984373 is about 511.7031016412.

It can be divided in two parts, 13398 and 4373, that added together give a palindrome (17771).

The spelling of 133984373 in words is "one hundred thirty-three million, nine hundred eighty-four thousand, three hundred seventy-three".