136865841366 has 16 divisors (see below), whose sum is σ = 279555761664. Its totient is φ = 44651267304.

The previous prime is 136865841253. The next prime is 136865841383. The reversal of 136865841366 is 663148568631.

It is a congruent number.

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, 242669650 + ... + 242670213.

It is an arithmetic number, because the mean of its divisors is an integer number (17472235104).

Almost surely, 2^136865841366 is an apocalyptic number.

136865841366 is an abundant number, since it is smaller than the sum of its proper divisors (142689920298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136865841366 is a wasteful number, since it uses less digits than its factorization.

136865841366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485339915.

The product of its digits is 14929920, while the sum is 57.

The spelling of 136865841366 in words is "one hundred thirty-six billion, eight hundred sixty-five million, eight hundred forty-one thousand, three hundred sixty-six".