133349605 has 8 divisors (see below), whose sum is σ = 161436312. Its totient is φ = 105735168.

The previous prime is 133349597. The next prime is 133349609. The reversal of 133349605 is 506943331.

It can be written as a sum of positive squares in 4 ways, for example, as 13184161 + 120165444 = 3631^2 + 10962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133349605 - 2³ = 133349597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133349609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117444 + ... + 118573.

It is an arithmetic number, because the mean of its divisors is an integer number (20179539).

Almost surely, 2^133349605 is an apocalyptic number.

It is an amenable number.

133349605 is a deficient number, since it is larger than the sum of its proper divisors (28086707).

133349605 is a wasteful number, since it uses less digits than its factorization.

133349605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236135.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 133349605 is about 11547.7099461322. The cubic root of 133349605 is about 510.8937359698.

The spelling of 133349605 in words is "one hundred thirty-three million, three hundred forty-nine thousand, six hundred five".