136660343876 has 24 divisors (see below), whose sum is σ = 279676985280. Its totient is φ = 57206655072.

The previous prime is 136660343851. The next prime is 136660343899. The reversal of 136660343876 is 678343066631.

It is a happy 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, 56751431 + ... + 56753838.

It is an arithmetic number, because the mean of its divisors is an integer number (11653207720).

Almost surely, 2^136660343876 is an apocalyptic number.

It is an amenable number.

136660343876 is an abundant number, since it is smaller than the sum of its proper divisors (143016641404).

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

136660343876 is a wasteful number, since it uses less digits than its factorization.

136660343876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113505323 (or 113505321 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 136660343876 in words is "one hundred thirty-six billion, six hundred sixty million, three hundred forty-three thousand, eight hundred seventy-six".