138698333384 has 16 divisors (see below), whose sum is σ = 280063942620. Its totient is φ = 64014615360.

The previous prime is 138698333353. The next prime is 138698333401. The reversal of 138698333384 is 483333896831.

It can be written as a sum of positive squares in 2 ways, for example, as 134485025284 + 4213308100 = 366722^2 + 64910^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666818807 + ... + 666819014.

Almost surely, 2^138698333384 is an apocalyptic number.

It is an amenable number.

138698333384 is an abundant number, since it is smaller than the sum of its proper divisors (141365609236).

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

138698333384 is a wasteful number, since it uses less digits than its factorization.

138698333384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333637840 (or 1333637836 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 59.

The spelling of 138698333384 in words is "one hundred thirty-eight billion, six hundred ninety-eight million, three hundred thirty-three thousand, three hundred eighty-four".