138601920314 has 24 divisors (see below), whose sum is σ = 245591574912. Its totient is φ = 58154650320.

The previous prime is 138601920287. The next prime is 138601920319. The reversal of 138601920314 is 413029106831.

It is a super-3 number, since 3×138601920314³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (138601920319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18635594 + ... + 18643029.

It is an arithmetic number, because the mean of its divisors is an integer number (10232982288).

Almost surely, 2^138601920314 is an apocalyptic number.

138601920314 is a deficient number, since it is larger than the sum of its proper divisors (106989654598).

138601920314 is a wasteful number, since it uses less digits than its factorization.

138601920314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37278662 (or 37278649 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 138601920314 in words is "one hundred thirty-eight billion, six hundred one million, nine hundred twenty thousand, three hundred fourteen".