136312853 has 4 divisors (see below), whose sum is σ = 136743180. Its totient is φ = 135882528.

The previous prime is 136312849. The next prime is 136312867. The reversal of 136312853 is 358213631.

136312853 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: 358213631 = 19 ⋅18853349.

It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 64368529 = 8482^2 + 8023^2 .

It is a cyclic number.

It is not a de Polignac number, because 136312853 - 2² = 136312849 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 (136312843) 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, 214688 + ... + 215321.

It is an arithmetic number, because the mean of its divisors is an integer number (34185795).

Almost surely, 2^136312853 is an apocalyptic number.

It is an amenable number.

136312853 is a deficient number, since it is larger than the sum of its proper divisors (430327).

136312853 is an equidigital number, since it uses as much as digits as its factorization.

136312853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430326.

The product of its digits is 12960, while the sum is 32.

The square root of 136312853 is about 11675.3095462176. The cubic root of 136312853 is about 514.6503461267.

The spelling of 136312853 in words is "one hundred thirty-six million, three hundred twelve thousand, eight hundred fifty-three".