133102349 has 2 divisors, whose sum is σ = 133102350. Its totient is φ = 133102348.

The previous prime is 133102331. The next prime is 133102381. The reversal of 133102349 is 943201331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 4120900 = 11357^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 133102349 - 2⁸ = 133102093 is a prime.

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 (133102399) 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, 66551174 + 66551175.

It is an arithmetic number, because the mean of its divisors is an integer number (66551175).

Almost surely, 2^133102349 is an apocalyptic number.

It is an amenable number.

133102349 is a deficient number, since it is larger than the sum of its proper divisors (1).

133102349 is an equidigital number, since it uses as much as digits as its factorization.

133102349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 133102349 is about 11536.9991332235. Note that the first 3 decimals coincide. The cubic root of 133102349 is about 510.5777752864.

The spelling of 133102349 in words is "one hundred thirty-three million, one hundred two thousand, three hundred forty-nine".