138334549974 has 64 divisors (see below), whose sum is σ = 285367864320. Its totient is φ = 44678304000.

The previous prime is 138334549963. The next prime is 138334549999. The reversal of 138334549974 is 479945433831.

It is a happy number.

138334549974 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22063312 + ... + 22069580.

It is an arithmetic number, because the mean of its divisors is an integer number (4458872880).

Almost surely, 2^138334549974 is an apocalyptic number.

138334549974 is an abundant number, since it is smaller than the sum of its proper divisors (147033314346).

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

138334549974 is a wasteful number, since it uses less digits than its factorization.

138334549974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917.

The product of its digits is 39191040, while the sum is 60.

The spelling of 138334549974 in words is "one hundred thirty-eight billion, three hundred thirty-four million, five hundred forty-nine thousand, nine hundred seventy-four".