136693613 has 8 divisors (see below), whose sum is σ = 158104128. Its totient is φ = 115753824.

The previous prime is 136693591. The next prime is 136693639. The reversal of 136693613 is 316396631.

136693613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136693613 - 2²⁴ = 119916397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136693693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117056 + ... + 118217.

It is an arithmetic number, because the mean of its divisors is an integer number (19763016).

Almost surely, 2^136693613 is an apocalyptic number.

It is an amenable number.

136693613 is a deficient number, since it is larger than the sum of its proper divisors (21410515).

136693613 is an equidigital number, since it uses as much as digits as its factorization.

136693613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235363.

The product of its digits is 52488, while the sum is 38.

The square root of 136693613 is about 11691.6043809222. The cubic root of 136693613 is about 515.1290881985.

The spelling of 136693613 in words is "one hundred thirty-six million, six hundred ninety-three thousand, six hundred thirteen".