118907136 has 72 divisors (see below), whose sum is σ = 351649760. Its totient is φ = 39633408.

The previous prime is 118907069. The next prime is 118907137. The reversal of 118907136 is 631709811.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 118907136.

It is not an unprimeable number, because it can be changed into a prime (118907137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690 + ... + 15513.

Almost surely, 2^118907136 is an apocalyptic number.

118907136 is a gapful number since it is divisible by the number (16) 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 118907136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175824880).

118907136 is an abundant number, since it is smaller than the sum of its proper divisors (232742624).

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

118907136 is an equidigital number, since it uses as much as digits as its factorization.

118907136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17228 (or 17208 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 118907136 is about 10904.4548694559. The cubic root of 118907136 is about 491.7404937241.

The spelling of 118907136 in words is "one hundred eighteen million, nine hundred seven thousand, one hundred thirty-six".