138841160 has 32 divisors (see below), whose sum is σ = 317692800. Its totient is φ = 54594240.

The previous prime is 138841141. The next prime is 138841163. The reversal of 138841160 is 61148831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (138841163) 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, 27056 + ... + 31775.

It is an arithmetic number, because the mean of its divisors is an integer number (9927900).

Almost surely, 2^138841160 is an apocalyptic number.

138841160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138841160 is an abundant number, since it is smaller than the sum of its proper divisors (178851640).

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

138841160 is a wasteful number, since it uses less digits than its factorization.

138841160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58901 (or 58897 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 138841160 is about 11783.0878805176. The cubic root of 138841160 is about 517.8127556270.

Adding to 138841160 its reverse (61148831), we get a palindrome (199989991).

The spelling of 138841160 in words is "one hundred thirty-eight million, eight hundred forty-one thousand, one hundred sixty".