136603786311709 has 4 divisors (see below), whose sum is σ = 139510249850304. Its totient is φ = 133697322773116.

The previous prime is 136603786311703. The next prime is 136603786311737. The reversal of 136603786311709 is 907113687306631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136603786311709 - 2²³ = 136603777923101 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 (136603786311703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453231769227 + ... + 1453231769320.

It is an arithmetic number, because the mean of its divisors is an integer number (34877562462576).

Almost surely, 2^{136603786311709} is an apocalyptic number.

It is an amenable number.

136603786311709 is a deficient number, since it is larger than the sum of its proper divisors (2906463538595).

136603786311709 is an equidigital number, since it uses as much as digits as its factorization.

136603786311709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906463538594.

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 136603786311709 in words is "one hundred thirty-six trillion, six hundred three billion, seven hundred eighty-six million, three hundred eleven thousand, seven hundred nine".