136891266886 has 8 divisors (see below), whose sum is σ = 224003891304. Its totient is φ = 62223303120.

The previous prime is 136891266859. The next prime is 136891266907. The reversal of 136891266886 is 688662198631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3111165135 + ... + 3111165178.

It is an arithmetic number, because the mean of its divisors is an integer number (28000486413).

Almost surely, 2^136891266886 is an apocalyptic number.

136891266886 is a deficient number, since it is larger than the sum of its proper divisors (87112624418).

136891266886 is a wasteful number, since it uses less digits than its factorization.

136891266886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222330326.

The product of its digits is 35831808, while the sum is 64.

The spelling of 136891266886 in words is "one hundred thirty-six billion, eight hundred ninety-one million, two hundred sixty-six thousand, eight hundred eighty-six".