138127182 has 16 divisors (see below), whose sum is σ = 277413120. Its totient is φ = 45849272.

The previous prime is 138127181. The next prime is 138127183. The reversal of 138127182 is 281721831.

It is an interprime number because it is at equal distance from previous prime (138127181) and next prime (138127183).

It is a super-2 number, since 2×138127182² = 38158236814522248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138127181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46728 + ... + 49595.

It is an arithmetic number, because the mean of its divisors is an integer number (17338320).

Almost surely, 2^138127182 is an apocalyptic number.

138127182 is an abundant number, since it is smaller than the sum of its proper divisors (139285938).

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

138127182 is a wasteful number, since it uses less digits than its factorization.

138127182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96567.

The product of its digits is 5376, while the sum is 33.

The square root of 138127182 is about 11752.7521032310. The cubic root of 138127182 is about 516.9236281752.

The spelling of 138127182 in words is "one hundred thirty-eight million, one hundred twenty-seven thousand, one hundred eighty-two".