136838068 has 12 divisors (see below), whose sum is σ = 239555232. Its totient is φ = 68393720.

The previous prime is 136838041. The next prime is 136838069. The reversal of 136838068 is 860838631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136838069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11271 + ... + 20017.

It is an arithmetic number, because the mean of its divisors is an integer number (19962936).

Almost surely, 2^136838068 is an apocalyptic number.

It is an amenable number.

136838068 is a deficient number, since it is larger than the sum of its proper divisors (102717164).

136838068 is a wasteful number, since it uses less digits than its factorization.

136838068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12662 (or 12660 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 136838068 is about 11697.7804732351. The cubic root of 136838068 is about 515.3104835919.

The spelling of 136838068 in words is "one hundred thirty-six million, eight hundred thirty-eight thousand, sixty-eight".