118003140 has 72 divisors (see below), whose sum is σ = 359370648. Its totient is φ = 31342080.

The previous prime is 118003099. The next prime is 118003141. The reversal of 118003140 is 41300811.

It can be written as a sum of positive squares in 4 ways, for example, as 12489156 + 105513984 = 3534^2 + 10272^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118003141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49414 + ... + 51746.

It is an arithmetic number, because the mean of its divisors is an integer number (4991259).

Almost surely, 2^118003140 is an apocalyptic number.

118003140 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 118003140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179685324).

118003140 is an abundant number, since it is smaller than the sum of its proper divisors (241367508).

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

118003140 is a wasteful number, since it uses less digits than its factorization.

118003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 118003140 is about 10862.9250204537. The cubic root of 118003140 is about 490.4911637596.

Adding to 118003140 its reverse (41300811), we get a palindrome (159303951).

The spelling of 118003140 in words is "one hundred eighteen million, three thousand, one hundred forty".