138427110 has 64 divisors (see below), whose sum is σ = 385205760. Its totient is φ = 35307360.

The previous prime is 138427099. The next prime is 138427123. The reversal of 138427110 is 11724831.

138427110 is a `hidden beast` number, since 1 + 384 + 271 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4936 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (6018840).

Almost surely, 2^138427110 is an apocalyptic number.

138427110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138427110 is an abundant number, since it is smaller than the sum of its proper divisors (246778650).

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

138427110 is a wasteful number, since it uses less digits than its factorization.

138427110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22330 (or 22324 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 138427110 is about 11765.5050890304. The cubic root of 138427110 is about 517.2975053164.

The spelling of 138427110 in words is "one hundred thirty-eight million, four hundred twenty-seven thousand, one hundred ten".