136253107878 has 8 divisors (see below), whose sum is σ = 272506215768. Its totient is φ = 45417702624.

The previous prime is 136253107829. The next prime is 136253107901. The reversal of 136253107878 is 878701352631.

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

136253107878 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 136253107878.

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, 11354425651 + ... + 11354425662.

It is an arithmetic number, because the mean of its divisors is an integer number (34063276971).

Almost surely, 2^136253107878 is an apocalyptic number.

136253107878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136253107878 is a wasteful number, since it uses less digits than its factorization.

136253107878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708851318.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 136253107878 in words is "one hundred thirty-six billion, two hundred fifty-three million, one hundred seven thousand, eight hundred seventy-eight".