133496149 has 2 divisors, whose sum is σ = 133496150. Its totient is φ = 133496148.

The previous prime is 133496141. The next prime is 133496171. The reversal of 133496149 is 941694331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118919025 + 14577124 = 10905^2 + 3818^2 .

It is an emirp because it is prime and its reverse (941694331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133496149 - 2³ = 133496141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133496141) 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, 66748074 + 66748075.

It is an arithmetic number, because the mean of its divisors is an integer number (66748075).

Almost surely, 2^133496149 is an apocalyptic number.

It is an amenable number.

133496149 is a deficient number, since it is larger than the sum of its proper divisors (1).

133496149 is an equidigital number, since it uses as much as digits as its factorization.

133496149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 133496149 is about 11554.0533580212. The cubic root of 133496149 is about 511.0808156464.

The spelling of 133496149 in words is "one hundred thirty-three million, four hundred ninety-six thousand, one hundred forty-nine".