136168928 has 48 divisors (see below), whose sum is σ = 307812960. Its totient is φ = 58085376.

The previous prime is 136168927. The next prime is 136168933. The reversal of 136168928 is 829861631.

136168928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136168927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50888 + ... + 53496.

It is an arithmetic number, because the mean of its divisors is an integer number (6412770).

Almost surely, 2^136168928 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 136168928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153906480).

136168928 is an abundant number, since it is smaller than the sum of its proper divisors (171644032).

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

136168928 is a wasteful number, since it uses less digits than its factorization.

136168928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2851 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 136168928 is about 11669.1442702539. The cubic root of 136168928 is about 514.4691523169.

The spelling of 136168928 in words is "one hundred thirty-six million, one hundred sixty-eight thousand, nine hundred twenty-eight".