136026688 has 56 divisors (see below), whose sum is σ = 311334912. Its totient is φ = 57759744.

The previous prime is 136026679. The next prime is 136026691. The reversal of 136026688 is 886620631.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 136026688.

It is a congruent 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, 49281 + ... + 51967.

It is an arithmetic number, because the mean of its divisors is an integer number (5559552).

Almost surely, 2^136026688 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 136026688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155667456).

136026688 is an abundant number, since it is smaller than the sum of its proper divisors (175308224).

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

136026688 is a wasteful number, since it uses less digits than its factorization.

136026688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2809 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 136026688 is about 11663.0479721212. The cubic root of 136026688 is about 514.2899543448.

The spelling of 136026688 in words is "one hundred thirty-six million, twenty-six thousand, six hundred eighty-eight".