133098709 has 8 divisors (see below), whose sum is σ = 134815032. Its totient is φ = 131390400.

The previous prime is 133098703. The next prime is 133098733. The reversal of 133098709 is 907890331.

It can be written as a sum of positive squares in 4 ways, for example, as 79032100 + 54066609 = 8890^2 + 7353^2 .

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 133098709 - 2¹¹ = 133096661 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 (133098703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35907 + ... + 39439.

It is an arithmetic number, because the mean of its divisors is an integer number (16851879).

Almost surely, 2^133098709 is an apocalyptic number.

It is an amenable number.

133098709 is a deficient number, since it is larger than the sum of its proper divisors (1716323).

133098709 is a wasteful number, since it uses less digits than its factorization.

133098709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 133098709 is about 11536.8413788177. The cubic root of 133098709 is about 510.5731209231.

The spelling of 133098709 in words is "one hundred thirty-three million, ninety-eight thousand, seven hundred nine".