136479094136 has 128 divisors (see below), whose sum is σ = 342438658560. Its totient is φ = 49359974400.

The previous prime is 136479094117. The next prime is 136479094151. The reversal of 136479094136 is 631490974631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675191 + ... + 853721.

It is an arithmetic number, because the mean of its divisors is an integer number (2675302020).

Almost surely, 2^136479094136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136479094136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171219329280).

136479094136 is an abundant number, since it is smaller than the sum of its proper divisors (205959564424).

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

136479094136 is a wasteful number, since it uses less digits than its factorization.

136479094136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178645 (or 178641 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 136479094136 in words is "one hundred thirty-six billion, four hundred seventy-nine million, ninety-four thousand, one hundred thirty-six".