136805296 has 40 divisors (see below), whose sum is σ = 279424080. Its totient is φ = 64786176.

The previous prime is 136805281. The next prime is 136805299. The reversal of 136805296 is 692508631.

136805296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136805299) 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, 21811 + ... + 27373.

It is an arithmetic number, because the mean of its divisors is an integer number (6985602).

Almost surely, 2^136805296 is an apocalyptic number.

136805296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136805296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139712040).

136805296 is an abundant number, since it is smaller than the sum of its proper divisors (142618784).

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

136805296 is a wasteful number, since it uses less digits than its factorization.

136805296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5647 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 136805296 is about 11696.3796108027. The cubic root of 136805296 is about 515.2693422541.

The spelling of 136805296 in words is "one hundred thirty-six million, eight hundred five thousand, two hundred ninety-six".