133599049 has 2 divisors, whose sum is σ = 133599050. Its totient is φ = 133599048.

The previous prime is 133599043. The next prime is 133599071. The reversal of 133599049 is 940995331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124478649 + 9120400 = 11157^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 133599049 - 2⁹ = 133598537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133598996 and 133599014.

It is not a weakly prime, because it can be changed into another prime (133599043) 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, 66799524 + 66799525.

It is an arithmetic number, because the mean of its divisors is an integer number (66799525).

Almost surely, 2^133599049 is an apocalyptic number.

It is an amenable number.

133599049 is a deficient number, since it is larger than the sum of its proper divisors (1).

133599049 is an equidigital number, since it uses as much as digits as its factorization.

133599049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 133599049 is about 11558.5054829766. The cubic root of 133599049 is about 511.2120971097.

The spelling of 133599049 in words is "one hundred thirty-three million, five hundred ninety-nine thousand, forty-nine".