138114078 has 32 divisors (see below), whose sum is σ = 296265600. Its totient is φ = 42790176.

The previous prime is 138114077. The next prime is 138114079. The reversal of 138114078 is 870411831.

138114078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138114077) and next prime (138114079).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138114077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5388 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (9258300).

Almost surely, 2^138114078 is an apocalyptic number.

138114078 is an abundant number, since it is smaller than the sum of its proper divisors (158151522).

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

138114078 is a wasteful number, since it uses less digits than its factorization.

138114078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22936.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 138114078 is about 11752.1946035623. The cubic root of 138114078 is about 516.9072809670.

The spelling of 138114078 in words is "one hundred thirty-eight million, one hundred fourteen thousand, seventy-eight".