133349993 has 8 divisors (see below), whose sum is σ = 152518080. Its totient is φ = 114211440.

The previous prime is 133349987. The next prime is 133350011. The reversal of 133349993 is 399943331.

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

It is not a de Polignac number, because 133349993 - 2¹⁴ = 133333609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133349963) 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, 3338 + ... + 16668.

It is an arithmetic number, because the mean of its divisors is an integer number (19064760).

Almost surely, 2^133349993 is an apocalyptic number.

It is an amenable number.

133349993 is a deficient number, since it is larger than the sum of its proper divisors (19168087).

133349993 is a wasteful number, since it uses less digits than its factorization.

133349993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14767.

The product of its digits is 236196, while the sum is 44.

The square root of 133349993 is about 11547.7267459877. The cubic root of 133349993 is about 510.8942314758.

The spelling of 133349993 in words is "one hundred thirty-three million, three hundred forty-nine thousand, nine hundred ninety-three".