133874173 has 2 divisors, whose sum is σ = 133874174. Its totient is φ = 133874172.

The previous prime is 133874149. The next prime is 133874197. The reversal of 133874173 is 371478331.

It is a balanced prime because it is at equal distance from previous prime (133874149) and next prime (133874197).

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 3617604 = 11413^2 + 1902^2 .

It is a cyclic number.

It is not a de Polignac number, because 133874173 - 2⁵ = 133874141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133875173) 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, 66937086 + 66937087.

It is an arithmetic number, because the mean of its divisors is an integer number (66937087).

Almost surely, 2^133874173 is an apocalyptic number.

It is an amenable number.

133874173 is a deficient number, since it is larger than the sum of its proper divisors (1).

133874173 is an equidigital number, since it uses as much as digits as its factorization.

133874173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 133874173 is about 11570.4007277190. The cubic root of 133874173 is about 511.5627739610.

The spelling of 133874173 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, one hundred seventy-three".