138144354 has 8 divisors (see below), whose sum is σ = 276288720. Its totient is φ = 46048116.

The previous prime is 138144353. The next prime is 138144359. The reversal of 138144354 is 453441831.

138144354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

138144354 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (138144353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11512024 + ... + 11512035.

It is an arithmetic number, because the mean of its divisors is an integer number (34536090).

Almost surely, 2^138144354 is an apocalyptic number.

138144354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138144354 is a wasteful number, since it uses less digits than its factorization.

138144354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23024064.

The product of its digits is 23040, while the sum is 33.

The square root of 138144354 is about 11753.4826328199. The cubic root of 138144354 is about 516.9450486386.

The spelling of 138144354 in words is "one hundred thirty-eight million, one hundred forty-four thousand, three hundred fifty-four".