136085039 has 4 divisors (see below), whose sum is σ = 136776024. Its totient is φ = 135394056.

The previous prime is 136085021. The next prime is 136085041. The reversal of 136085039 is 930580631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136085039 - 2¹⁶ = 136019503 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 (136085639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345197 + ... + 345590.

It is an arithmetic number, because the mean of its divisors is an integer number (34194006).

Almost surely, 2^136085039 is an apocalyptic number.

136085039 is a deficient number, since it is larger than the sum of its proper divisors (690985).

136085039 is an equidigital number, since it uses as much as digits as its factorization.

136085039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690984.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 136085039 is about 11665.5492369627. The cubic root of 136085039 is about 514.3634816886.

The spelling of 136085039 in words is "one hundred thirty-six million, eighty-five thousand, thirty-nine".