136832609 has 8 divisors (see below), whose sum is σ = 145038600. Its totient is φ = 128644096.

The previous prime is 136832603. The next prime is 136832611. The reversal of 136832609 is 906238631.

It can be written as a sum of positive squares in 4 ways, for example, as 76615009 + 60217600 = 8753^2 + 7760^2 .

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 136832609 - 2⁴ = 136832593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136832603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13997 + ... + 21669.

It is an arithmetic number, because the mean of its divisors is an integer number (18129825).

Almost surely, 2^136832609 is an apocalyptic number.

It is an amenable number.

136832609 is a deficient number, since it is larger than the sum of its proper divisors (8205991).

136832609 is a wasteful number, since it uses less digits than its factorization.

136832609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 136832609 is about 11697.5471360452. The cubic root of 136832609 is about 515.3036309244.

The spelling of 136832609 in words is "one hundred thirty-six million, eight hundred thirty-two thousand, six hundred nine".