136066013 has 4 divisors (see below), whose sum is σ = 136298400. Its totient is φ = 135833628.

The previous prime is 136066009. The next prime is 136066019. The reversal of 136066013 is 310660631.

136066013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310660631 = 223 ⋅1393097.

It is a cyclic number.

It is not a de Polignac number, because 136066013 - 2² = 136066009 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 (136066019) 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, 115313 + ... + 116486.

It is an arithmetic number, because the mean of its divisors is an integer number (34074600).

Almost surely, 2^136066013 is an apocalyptic number.

It is an amenable number.

136066013 is a deficient number, since it is larger than the sum of its proper divisors (232387).

136066013 is an equidigital number, since it uses as much as digits as its factorization.

136066013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232386.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 136066013 is about 11664.7337303515. The cubic root of 136066013 is about 514.3395095807.

The spelling of 136066013 in words is "one hundred thirty-six million, sixty-six thousand, thirteen".