138127088 has 40 divisors (see below), whose sum is σ = 292682160. Its totient is φ = 62627840.

The previous prime is 138127081. The next prime is 138127097. The reversal of 138127088 is 880721831.

138127088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138127081) 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, 97328 + ... + 98736.

It is an arithmetic number, because the mean of its divisors is an integer number (7317054).

Almost surely, 2^138127088 is an apocalyptic number.

It is an amenable number.

138127088 is an abundant number, since it is smaller than the sum of its proper divisors (154555072).

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

138127088 is a wasteful number, since it uses less digits than its factorization.

138127088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 138127088 is about 11752.7481041670. The cubic root of 138127088 is about 516.9235109142.

The spelling of 138127088 in words is "one hundred thirty-eight million, one hundred twenty-seven thousand, eighty-eight".