138096678 has 32 divisors (see below), whose sum is σ = 295146720. Its totient is φ = 42923520.

The previous prime is 138096677. The next prime is 138096683. The reversal of 138096678 is 876690831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138096671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4908 + ... + 17328.

It is an arithmetic number, because the mean of its divisors is an integer number (9223335).

Almost surely, 2^138096678 is an apocalyptic number.

138096678 is an abundant number, since it is smaller than the sum of its proper divisors (157050042).

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

138096678 is a wasteful number, since it uses less digits than its factorization.

138096678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 138096678 is about 11751.4542929801. The cubic root of 138096678 is about 516.8855729110.

The spelling of 138096678 in words is "one hundred thirty-eight million, ninety-six thousand, six hundred seventy-eight".