133300990 has 8 divisors (see below), whose sum is σ = 239941800. Its totient is φ = 53320392.

The previous prime is 133300967. The next prime is 133300991. The reversal of 133300990 is 99003331.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300991) 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, 6665040 + ... + 6665059.

It is an arithmetic number, because the mean of its divisors is an integer number (29992725).

Almost surely, 2^133300990 is an apocalyptic number.

133300990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133300990 is a deficient number, since it is larger than the sum of its proper divisors (106640810).

133300990 is a wasteful number, since it uses less digits than its factorization.

133300990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13330106.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 133300990 is about 11545.6047914347. The cubic root of 133300990 is about 510.8316432528.

The spelling of 133300990 in words is "one hundred thirty-three million, three hundred thousand, nine hundred ninety".