138862182 has 8 divisors (see below), whose sum is σ = 277724376. Its totient is φ = 46287392.

The previous prime is 138862177. The next prime is 138862183. The reversal of 138862182 is 281268831.

138862182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

138862182 is an admirable number.

It is a super-2 number, since 2×138862182² = 38565411179602248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138862182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138862183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11571843 + ... + 11571854.

It is an arithmetic number, because the mean of its divisors is an integer number (34715547).

Almost surely, 2^138862182 is an apocalyptic number.

138862182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138862182 is a wasteful number, since it uses less digits than its factorization.

138862182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23143702.

The product of its digits is 36864, while the sum is 39.

The square root of 138862182 is about 11783.9798879665. The cubic root of 138862182 is about 517.8388883925.

The spelling of 138862182 in words is "one hundred thirty-eight million, eight hundred sixty-two thousand, one hundred eighty-two".