136535039 has 4 divisors (see below), whose sum is σ = 138405456. Its totient is φ = 134664624.

The previous prime is 136535017. The next prime is 136535057. The reversal of 136535039 is 930535631.

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 136535039 - 2¹⁶ = 136469503 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 (136535089) 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, 935099 + ... + 935244.

It is an arithmetic number, because the mean of its divisors is an integer number (34601364).

Almost surely, 2^136535039 is an apocalyptic number.

136535039 is a deficient number, since it is larger than the sum of its proper divisors (1870417).

136535039 is an equidigital number, since it uses as much as digits as its factorization.

136535039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870416.

The product of its (nonzero) digits is 36450, while the sum is 35.

The square root of 136535039 is about 11684.8208800991. The cubic root of 136535039 is about 514.9298160556.

The spelling of 136535039 in words is "one hundred thirty-six million, five hundred thirty-five thousand, thirty-nine".