133496849 has 2 divisors, whose sum is σ = 133496850. Its totient is φ = 133496848.

The previous prime is 133496813. The next prime is 133496863. The reversal of 133496849 is 948694331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131446225 + 2050624 = 11465^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 133496849 - 2¹² = 133492753 is a prime.

It is not a weakly prime, because it can be changed into another prime (133496809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66748424 + 66748425.

It is an arithmetic number, because the mean of its divisors is an integer number (66748425).

Almost surely, 2^133496849 is an apocalyptic number.

It is an amenable number.

133496849 is a deficient number, since it is larger than the sum of its proper divisors (1).

133496849 is an equidigital number, since it uses as much as digits as its factorization.

133496849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 133496849 is about 11554.0836503809. The cubic root of 133496849 is about 511.0817089454.

The spelling of 133496849 in words is "one hundred thirty-three million, four hundred ninety-six thousand, eight hundred forty-nine".