133047149 has 2 divisors, whose sum is σ = 133047150. Its totient is φ = 133047148.

The previous prime is 133047121. The next prime is 133047163. The reversal of 133047149 is 941740331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 22944100 = 10493^2 + 4790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133047149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133067149) 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, 66523574 + 66523575.

It is an arithmetic number, because the mean of its divisors is an integer number (66523575).

Almost surely, 2^133047149 is an apocalyptic number.

It is an amenable number.

133047149 is a deficient number, since it is larger than the sum of its proper divisors (1).

133047149 is an equidigital number, since it uses as much as digits as its factorization.

133047149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 133047149 is about 11534.6065819342. The cubic root of 133047149 is about 510.5071835189.

The spelling of 133047149 in words is "one hundred thirty-three million, forty-seven thousand, one hundred forty-nine".