136613847 has 4 divisors (see below), whose sum is σ = 182151800. Its totient is φ = 91075896.

The previous prime is 136613839. The next prime is 136613863. The reversal of 136613847 is 748316631.

136613847 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 an emirpimes, since its reverse is a distinct semiprime: 748316631 = 3 ⋅249438877.

It is not a de Polignac number, because 136613847 - 2³ = 136613839 is a prime.

It is a super-3 number, since 3×136613847³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136613047) 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, 22768972 + ... + 22768977.

It is an arithmetic number, because the mean of its divisors is an integer number (45537950).

Almost surely, 2^136613847 is an apocalyptic number.

136613847 is a deficient number, since it is larger than the sum of its proper divisors (45537953).

136613847 is an equidigital number, since it uses as much as digits as its factorization.

136613847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45537952.

The product of its digits is 72576, while the sum is 39.

The square root of 136613847 is about 11688.1926318828. The cubic root of 136613847 is about 515.0288694659.

The spelling of 136613847 in words is "one hundred thirty-six million, six hundred thirteen thousand, eight hundred forty-seven".