138328160 has 24 divisors (see below), whose sum is σ = 326800656. Its totient is φ = 55331200.

The previous prime is 138328129. The next prime is 138328171. The reversal of 138328160 is 61823831.

It is a happy number.

138328160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432116 + ... + 432435.

It is an arithmetic number, because the mean of its divisors is an integer number (13616694).

Almost surely, 2^138328160 is an apocalyptic number.

138328160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138328160 is an abundant number, since it is smaller than the sum of its proper divisors (188472496).

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

138328160 is an equidigital number, since it uses as much as digits as its factorization.

138328160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864566 (or 864558 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 138328160 is about 11761.2992479573. The cubic root of 138328160 is about 517.1742183164.

The spelling of 138328160 in words is "one hundred thirty-eight million, three hundred twenty-eight thousand, one hundred sixty".