136074509 has 8 divisors (see below), whose sum is σ = 142108992. Its totient is φ = 130049920.

The previous prime is 136074461. The next prime is 136074517. The reversal of 136074509 is 905470631.

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 136074509 - 2¹² = 136070413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136074539) 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, 46442 + ... + 49284.

It is an arithmetic number, because the mean of its divisors is an integer number (17763624).

Almost surely, 2^136074509 is an apocalyptic number.

It is an amenable number.

136074509 is a deficient number, since it is larger than the sum of its proper divisors (6034483).

136074509 is a wasteful number, since it uses less digits than its factorization.

136074509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 136074509 is about 11665.0978992891. The cubic root of 136074509 is about 514.3502145256.

The spelling of 136074509 in words is "one hundred thirty-six million, seventy-four thousand, five hundred nine".