138268076 has 12 divisors (see below), whose sum is σ = 242256840. Its totient is φ = 69051840.

The previous prime is 138268061. The next prime is 138268079. The reversal of 138268076 is 670862831.

It is a happy number.

138268076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (138268079) 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, 16685 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (20188070).

Almost surely, 2^138268076 is an apocalyptic number.

It is an amenable number.

138268076 is a deficient number, since it is larger than the sum of its proper divisors (103988764).

138268076 is a wasteful number, since it uses less digits than its factorization.

138268076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41104 (or 41102 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 138268076 is about 11758.7446608896. The cubic root of 138268076 is about 517.0993278148.

The spelling of 138268076 in words is "one hundred thirty-eight million, two hundred sixty-eight thousand, seventy-six".