118139739606 has 72 divisors (see below), whose sum is σ = 298226316024. Its totient is φ = 33701391360.

The previous prime is 118139739593. The next prime is 118139739629. The reversal of 118139739606 is 606937931811.

It is a happy number.

118139739606 is a `hidden beast` number, since 1 + 18 + 13 + 9 + 7 + 3 + 9 + 606 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 460881 + ... + 669843.

It is an arithmetic number, because the mean of its divisors is an integer number (4142032167).

Almost surely, 2^118139739606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118139739606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149113158012).

118139739606 is an abundant number, since it is smaller than the sum of its proper divisors (180086576418).

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

118139739606 is a wasteful number, since it uses less digits than its factorization.

118139739606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209626 (or 209616 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 118139739606 in words is "one hundred eighteen billion, one hundred thirty-nine million, seven hundred thirty-nine thousand, six hundred six".