136201009 has 8 divisors (see below), whose sum is σ = 162426240. Its totient is φ = 111667776.

The previous prime is 136201003. The next prime is 136201031. The reversal of 136201009 is 900102631.

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 136201009 - 2³ = 136201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136201001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422824 + ... + 423145.

It is an arithmetic number, because the mean of its divisors is an integer number (20303280).

Almost surely, 2^136201009 is an apocalyptic number.

It is an amenable number.

136201009 is a deficient number, since it is larger than the sum of its proper divisors (26225231).

136201009 is an equidigital number, since it uses as much as digits as its factorization.

136201009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845999.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 136201009 is about 11670.5187973800. The cubic root of 136201009 is about 514.5095516188.

The spelling of 136201009 in words is "one hundred thirty-six million, two hundred one thousand, nine".