136269208968 has 64 divisors (see below), whose sum is σ = 355807036800. Its totient is φ = 43408780800.

The previous prime is 136269208903. The next prime is 136269209009. The reversal of 136269208968 is 869802962631.

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, 500868 + ... + 723468.

It is an arithmetic number, because the mean of its divisors is an integer number (5559484950).

Almost surely, 2^136269208968 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 136269208968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177903518400).

136269208968 is an abundant number, since it is smaller than the sum of its proper divisors (219537827832).

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

136269208968 is a wasteful number, since it uses less digits than its factorization.

136269208968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223742 (or 223738 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 136269208968 in words is "one hundred thirty-six billion, two hundred sixty-nine million, two hundred eight thousand, nine hundred sixty-eight".