133336349 has 4 divisors (see below), whose sum is σ = 133371840. Its totient is φ = 133300860.

The previous prime is 133336339. The next prime is 133336361. The reversal of 133336349 is 943633331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133336349 - 2²⁰ = 132287773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133336309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11339 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (33342960).

Almost surely, 2^133336349 is an apocalyptic number.

It is an amenable number.

133336349 is a deficient number, since it is larger than the sum of its proper divisors (35491).

133336349 is an equidigital number, since it uses as much as digits as its factorization.

133336349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35490.

The product of its digits is 52488, while the sum is 35.

The square root of 133336349 is about 11547.1359652513. The cubic root of 133336349 is about 510.8768064564.

The spelling of 133336349 in words is "one hundred thirty-three million, three hundred thirty-six thousand, three hundred forty-nine".