133132849 has 2 divisors, whose sum is σ = 133132850. Its totient is φ = 133132848.

The previous prime is 133132843. The next prime is 133132877. The reversal of 133132849 is 948231331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117332224 + 15800625 = 10832^2 + 3975^2 .

It is an emirp because it is prime and its reverse (948231331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133132849 - 2¹³ = 133124657 is a prime.

It is not a weakly prime, because it can be changed into another prime (133132843) 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, 66566424 + 66566425.

It is an arithmetic number, because the mean of its divisors is an integer number (66566425).

Almost surely, 2^133132849 is an apocalyptic number.

It is an amenable number.

133132849 is a deficient number, since it is larger than the sum of its proper divisors (1).

133132849 is an equidigital number, since it uses as much as digits as its factorization.

133132849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 133132849 is about 11538.3208917069. The cubic root of 133132849 is about 510.6167714247.

The spelling of 133132849 in words is "one hundred thirty-three million, one hundred thirty-two thousand, eight hundred forty-nine".