136331820078467 has 4 divisors (see below), whose sum is σ = 146818883161440. Its totient is φ = 125844756995496.

The previous prime is 136331820078427. The next prime is 136331820078599. The reversal of 136331820078467 is 764870028133631.

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

It is a cyclic number.

It is not a de Polignac number, because 136331820078467 - 2⁴⁴ = 118739634034051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136331820078427) 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, 5243531541467 + ... + 5243531541492.

It is an arithmetic number, because the mean of its divisors is an integer number (36704720790360).

Almost surely, 2^{136331820078467} is an apocalyptic number.

136331820078467 is a deficient number, since it is larger than the sum of its proper divisors (10487063082973).

136331820078467 is a wasteful number, since it uses less digits than its factorization.

136331820078467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10487063082972.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 136331820078467 in words is "one hundred thirty-six trillion, three hundred thirty-one billion, eight hundred twenty million, seventy-eight thousand, four hundred sixty-seven".