136505302968 has 64 divisors (see below), whose sum is σ = 362429579520. Its totient is φ = 42695769600.

The previous prime is 136505302949. The next prime is 136505302991. The reversal of 136505302968 is 869203505631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370348 + ... + 640443.

It is an arithmetic number, because the mean of its divisors is an integer number (5662962180).

Almost surely, 2^136505302968 is an apocalyptic number.

It is an amenable number.

136505302968 is an abundant number, since it is smaller than the sum of its proper divisors (225924276552).

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

136505302968 is a wasteful number, since it uses less digits than its factorization.

136505302968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011148 (or 1011144 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 136505302968 in words is "one hundred thirty-six billion, five hundred five million, three hundred two thousand, nine hundred sixty-eight".