133099999 has 8 divisors (see below), whose sum is σ = 134730752. Its totient is φ = 131475960.

The previous prime is 133099973. The next prime is 133100017. The reversal of 133099999 is 999990331.

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 133099999 - 2⁷ = 133099871 is a prime.

It is a Duffinian number.

133099999 is a modest number, since divided by 99999 gives 1330 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133099949) 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, 46294 + ... + 49084.

It is an arithmetic number, because the mean of its divisors is an integer number (16841344).

Almost surely, 2^133099999 is an apocalyptic number.

133099999 is a deficient number, since it is larger than the sum of its proper divisors (1630753).

133099999 is a wasteful number, since it uses less digits than its factorization.

133099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 531441, while the sum is 52.

The square root of 133099999 is about 11536.8972865325. The cubic root of 133099999 is about 510.5747704187.

The spelling of 133099999 in words is "one hundred thirty-three million, ninety-nine thousand, nine hundred ninety-nine".