136685934 has 128 divisors (see below), whose sum is σ = 384860160. Its totient is φ = 34927200.

The previous prime is 136685929. The next prime is 136685947. The reversal of 136685934 is 439586631.

It is a self number, because there is not a number n which added to its sum of digits gives 136685934.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 294987 + ... + 295449.

It is an arithmetic number, because the mean of its divisors is an integer number (3006720).

Almost surely, 2^136685934 is an apocalyptic number.

136685934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136685934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192430080).

136685934 is an abundant number, since it is smaller than the sum of its proper divisors (248174226).

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

136685934 is a wasteful number, since it uses less digits than its factorization.

136685934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 136685934 is about 11691.2759782669. The cubic root of 136685934 is about 515.1194419289.

The spelling of 136685934 in words is "one hundred thirty-six million, six hundred eighty-five thousand, nine hundred thirty-four".