133210009 has 4 divisors (see below), whose sum is σ = 133333200. Its totient is φ = 133086820.

The previous prime is 133209959. The next prime is 133210013. The reversal of 133210009 is 900012331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900012331 = 241 ⋅3734491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133210009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133210019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59959 + ... + 62140.

It is an arithmetic number, because the mean of its divisors is an integer number (33333300).

Almost surely, 2^133210009 is an apocalyptic number.

It is an amenable number.

133210009 is a deficient number, since it is larger than the sum of its proper divisors (123191).

133210009 is a wasteful number, since it uses less digits than its factorization.

133210009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123190.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 133210009 is about 11541.6640481345. The cubic root of 133210009 is about 510.7153986763.

The spelling of 133210009 in words is "one hundred thirty-three million, two hundred ten thousand, nine".