136078643266 has 16 divisors (see below), whose sum is σ = 204699420864. Its totient is φ = 67845777904.

The previous prime is 136078643257. The next prime is 136078643279. The reversal of 136078643266 is 662346870631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932241 + ... + 1068283.

It is an arithmetic number, because the mean of its divisors is an integer number (12793713804).

Almost surely, 2^136078643266 is an apocalyptic number.

136078643266 is a deficient number, since it is larger than the sum of its proper divisors (68620777598).

136078643266 is a wasteful number, since it uses less digits than its factorization.

136078643266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137465.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 136078643266 in words is "one hundred thirty-six billion, seventy-eight million, six hundred forty-three thousand, two hundred sixty-six".