118457090 has 16 divisors (see below), whose sum is σ = 213346872. Its totient is φ = 47355264.

The previous prime is 118457069. The next prime is 118457117. The reversal of 118457090 is 90754811.

It can be written as a sum of positive squares in 4 ways, for example, as 83375161 + 35081929 = 9131^2 + 5923^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118457090.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30752 + ... + 34388.

Almost surely, 2^118457090 is an apocalyptic number.

118457090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118457090 is a deficient number, since it is larger than the sum of its proper divisors (94889782).

118457090 is a wasteful number, since it uses less digits than its factorization.

118457090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 118457090 is about 10883.7994285084. The cubic root of 118457090 is about 491.1193209288.

The spelling of 118457090 in words is "one hundred eighteen million, four hundred fifty-seven thousand, ninety".