136853117 has 4 divisors (see below), whose sum is σ = 141572220. Its totient is φ = 132134016.

The previous prime is 136853089. The next prime is 136853131. The reversal of 136853117 is 711358631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78039556 + 58813561 = 8834^2 + 7669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136853117 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 (136853147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359508 + ... + 2359565.

It is an arithmetic number, because the mean of its divisors is an integer number (35393055).

Almost surely, 2^136853117 is an apocalyptic number.

It is an amenable number.

136853117 is a deficient number, since it is larger than the sum of its proper divisors (4719103).

136853117 is an equidigital number, since it uses as much as digits as its factorization.

136853117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719102.

The product of its digits is 15120, while the sum is 35.

The square root of 136853117 is about 11698.4236972337. The cubic root of 136853117 is about 515.3293736160.

The spelling of 136853117 in words is "one hundred thirty-six million, eight hundred fifty-three thousand, one hundred seventeen".