138341468 has 12 divisors (see below), whose sum is σ = 249907392. Its totient is φ = 66939360.

The previous prime is 138341459. The next prime is 138341479. The reversal of 138341468 is 864143831.

138341468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 557705 + ... + 557952.

It is an arithmetic number, because the mean of its divisors is an integer number (20825616).

Almost surely, 2^138341468 is an apocalyptic number.

It is an amenable number.

138341468 is a deficient number, since it is larger than the sum of its proper divisors (111565924).

138341468 is a wasteful number, since it uses less digits than its factorization.

138341468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115692 (or 1115690 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 138341468 is about 11761.8649881726. The cubic root of 138341468 is about 517.1908028735.

The spelling of 138341468 in words is "one hundred thirty-eight million, three hundred forty-one thousand, four hundred sixty-eight".