118134380 has 72 divisors (see below), whose sum is σ = 307071072. Its totient is φ = 37380096.

The previous prime is 118134361. The next prime is 118134391. The reversal of 118134380 is 83431811.

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 23 ways as a sum of consecutive naturals, for example, 21164 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (4264876).

Almost surely, 2^118134380 is an apocalyptic number.

118134380 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 118134380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153535536).

118134380 is an abundant number, since it is smaller than the sum of its proper divisors (188936692).

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

118134380 is a wasteful number, since it uses less digits than its factorization.

118134380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 118134380 is about 10868.9640720724. The cubic root of 118134380 is about 490.6729335293.

The spelling of 118134380 in words is "one hundred eighteen million, one hundred thirty-four thousand, three hundred eighty".