136039817 has 8 divisors (see below), whose sum is σ = 140365440. Its totient is φ = 131779440.

The previous prime is 136039801. The next prime is 136039837. The reversal of 136039817 is 718930631.

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 136039817 - 2⁴ = 136039801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136039837) 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, 12059 + ... + 20432.

It is an arithmetic number, because the mean of its divisors is an integer number (17545680).

Almost surely, 2^136039817 is an apocalyptic number.

It is an amenable number.

136039817 is a deficient number, since it is larger than the sum of its proper divisors (4325623).

136039817 is an equidigital number, since it uses as much as digits as its factorization.

136039817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32623.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 136039817 is about 11663.6108045493. The cubic root of 136039817 is about 514.3064998617.

The spelling of 136039817 in words is "one hundred thirty-six million, thirty-nine thousand, eight hundred seventeen".