138460182 has 64 divisors (see below), whose sum is σ = 340032000. Its totient is φ = 37467360.

The previous prime is 138460177. The next prime is 138460199. The reversal of 138460182 is 281064831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37332 + ... + 40872.

It is an arithmetic number, because the mean of its divisors is an integer number (5313000).

Almost surely, 2^138460182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138460182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170016000).

138460182 is an abundant number, since it is smaller than the sum of its proper divisors (201571818).

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

138460182 is a wasteful number, since it uses less digits than its factorization.

138460182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 138460182 is about 11766.9104696178. The cubic root of 138460182 is about 517.3386983574.

It can be divided in two parts, 138 and 460182, that added together give a triangular number (460320 = T₉₅₉).

The spelling of 138460182 in words is "one hundred thirty-eight million, four hundred sixty thousand, one hundred eighty-two".