133126189349 has 2 divisors, whose sum is σ = 133126189350. Its totient is φ = 133126189348.

The previous prime is 133126189331. The next prime is 133126189351. The reversal of 133126189349 is 943981621331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95366704225 + 37759485124 = 308815^2 + 194318^2 .

It is a cyclic number.

It is not a de Polignac number, because 133126189349 - 2³⁶ = 64406712613 is a prime.

Together with 133126189351, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133126189297 and 133126189306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133126189319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66563094674 + 66563094675.

It is an arithmetic number, because the mean of its divisors is an integer number (66563094675).

Almost surely, 2^133126189349 is an apocalyptic number.

It is an amenable number.

133126189349 is a deficient number, since it is larger than the sum of its proper divisors (1).

133126189349 is an equidigital number, since it uses as much as digits as its factorization.

133126189349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The spelling of 133126189349 in words is "one hundred thirty-three billion, one hundred twenty-six million, one hundred eighty-nine thousand, three hundred forty-nine".