118138662 has 40 divisors (see below), whose sum is σ = 266700456. Its totient is φ = 39084768.

The previous prime is 118138619. The next prime is 118138667. The reversal of 118138662 is 266831811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118138667) 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 19 ways as a sum of consecutive naturals, for example, 19533 + ... + 24855.

Almost surely, 2^118138662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118138662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133350228).

118138662 is an abundant number, since it is smaller than the sum of its proper divisors (148561794).

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

118138662 is a wasteful number, since it uses less digits than its factorization.

118138662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5465 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 118138662 is about 10869.1610531816. The cubic root of 118138662 is about 490.6788619083.

The spelling of 118138662 in words is "one hundred eighteen million, one hundred thirty-eight thousand, six hundred sixty-two".