118147234140 has 144 divisors (see below), whose sum is σ = 388232644800. Its totient is φ = 29082298752.

The previous prime is 118147234031. The next prime is 118147234207. The reversal of 118147234140 is 41432741811.

118147234140 is a `hidden beast` number, since 1 + 18 + 1 + 472 + 34 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 118147234095 and 118147234104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246081 + ... + 544839.

Almost surely, 2^118147234140 is an apocalyptic number.

118147234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118147234140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194116322400).

118147234140 is an abundant number, since it is smaller than the sum of its proper divisors (270085410660).

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

118147234140 is a wasteful number, since it uses less digits than its factorization.

118147234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298813 (or 298782 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

Adding to 118147234140 its reverse (41432741811), we get a palindrome (159579975951).

The spelling of 118147234140 in words is "one hundred eighteen billion, one hundred forty-seven million, two hundred thirty-four thousand, one hundred forty".