133000349 has 2 divisors, whose sum is σ = 133000350. Its totient is φ = 133000348.

The previous prime is 133000321. The next prime is 133000381. The reversal of 133000349 is 943000331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132825625 + 174724 = 11525^2 + 418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133000349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133000319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500174 + 66500175.

It is an arithmetic number, because the mean of its divisors is an integer number (66500175).

Almost surely, 2^133000349 is an apocalyptic number.

It is an amenable number.

133000349 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000349 is an equidigital number, since it uses as much as digits as its factorization.

133000349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 133000349 is about 11532.5777257298. The cubic root of 133000349 is about 510.4473186809.

The spelling of 133000349 in words is "one hundred thirty-three million, three hundred forty-nine", and thus it is an aban number.