136771317293 has 8 divisors (see below), whose sum is σ = 151273058328. Its totient is φ = 122838272064.

The previous prime is 136771317289. The next prime is 136771317307. The reversal of 136771317293 is 392713177631.

It can be written as a sum of positive squares in 4 ways, for example, as 36711709609 + 100059607684 = 191603^2 + 316322^2 .

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 136771317293 - 2² = 136771317289 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 (136771317593) 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, 142173446 + ... + 142174407.

It is an arithmetic number, because the mean of its divisors is an integer number (18909132291).

Almost surely, 2^136771317293 is an apocalyptic number.

136771317293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136771317293 is a deficient number, since it is larger than the sum of its proper divisors (14501741035).

136771317293 is a wasteful number, since it uses less digits than its factorization.

136771317293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284347903.

The product of its digits is 1000188, while the sum is 50.

The spelling of 136771317293 in words is "one hundred thirty-six billion, seven hundred seventy-one million, three hundred seventeen thousand, two hundred ninety-three".