136178856 has 96 divisors (see below), whose sum is σ = 405568800. Its totient is φ = 40936320.

The previous prime is 136178849. The next prime is 136178879. The reversal of 136178856 is 658871631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109470 + ... + 110706.

It is an arithmetic number, because the mean of its divisors is an integer number (4224675).

Almost surely, 2^136178856 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 136178856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202784400).

136178856 is an abundant number, since it is smaller than the sum of its proper divisors (269389944).

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

136178856 is a wasteful number, since it uses less digits than its factorization.

136178856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1392 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 136178856 is about 11669.5696578751. The cubic root of 136178856 is about 514.4816552319.

The spelling of 136178856 in words is "one hundred thirty-six million, one hundred seventy-eight thousand, eight hundred fifty-six".