118685390 has 16 divisors (see below), whose sum is σ = 214650000. Its totient is φ = 47248320.

The previous prime is 118685377. The next prime is 118685393. The reversal of 118685390 is 93586811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118685393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26015 + ... + 30234.

It is an arithmetic number, because the mean of its divisors is an integer number (13415625).

Almost surely, 2^118685390 is an apocalyptic number.

118685390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118685390 is a deficient number, since it is larger than the sum of its proper divisors (95964610).

118685390 is a wasteful number, since it uses less digits than its factorization.

118685390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56467.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 118685390 is about 10894.2824453931. The cubic root of 118685390 is about 491.4346266300.

The spelling of 118685390 in words is "one hundred eighteen million, six hundred eighty-five thousand, three hundred ninety".