118866540 has 48 divisors (see below), whose sum is σ = 358430688. Its totient is φ = 29259264.

The previous prime is 118866497. The next prime is 118866547. The reversal of 118866540 is 45668811.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (118866547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75417 + ... + 76976.

It is an arithmetic number, because the mean of its divisors is an integer number (7467306).

Almost surely, 2^118866540 is an apocalyptic number.

118866540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118866540 is an abundant number, since it is smaller than the sum of its proper divisors (239564148).

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

118866540 is a wasteful number, since it uses less digits than its factorization.

118866540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152418 (or 152416 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 118866540 is about 10902.5932694933. The cubic root of 118866540 is about 491.6845257645.

The spelling of 118866540 in words is "one hundred eighteen million, eight hundred sixty-six thousand, five hundred forty".