133300805 has 8 divisors (see below), whose sum is σ = 174502944. Its totient is φ = 96946000.

The previous prime is 133300793. The next prime is 133300813. The reversal of 133300805 is 508003331.

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

It is not a de Polignac number, because 133300805 - 2¹⁴ = 133284421 is a prime.

It is a super-2 number, since 2×133300805² = 35538209227296050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211771 + ... + 1211880.

It is an arithmetic number, because the mean of its divisors is an integer number (21812868).

Almost surely, 2^133300805 is an apocalyptic number.

It is an amenable number.

133300805 is a deficient number, since it is larger than the sum of its proper divisors (41202139).

133300805 is a wasteful number, since it uses less digits than its factorization.

133300805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423667.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 133300805 is about 11545.5967797252. The cubic root of 133300805 is about 510.8314069357.

The spelling of 133300805 in words is "one hundred thirty-three million, three hundred thousand, eight hundred five".