136769658013 has 4 divisors (see below), whose sum is σ = 137085523708. Its totient is φ = 136453792320.

The previous prime is 136769657977. The next prime is 136769658037. The reversal of 136769658013 is 310856967631.

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 25402621924 + 111367036089 = 159382^2 + 333717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136769658013 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 (136769658073) 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, 157932198 + ... + 157933063.

It is an arithmetic number, because the mean of its divisors is an integer number (34271380927).

Almost surely, 2^136769658013 is an apocalyptic number.

It is an amenable number.

136769658013 is a deficient number, since it is larger than the sum of its proper divisors (315865695).

136769658013 is an equidigital number, since it uses as much as digits as its factorization.

136769658013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315865694.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 136769658013 in words is "one hundred thirty-six billion, seven hundred sixty-nine million, six hundred fifty-eight thousand, thirteen".