138104382 has 32 divisors (see below), whose sum is σ = 297980928. Its totient is φ = 42418656.

The previous prime is 138104381. The next prime is 138104383. The reversal of 138104382 is 283401831.

It is an interprime number because it is at equal distance from previous prime (138104381) and next prime (138104383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138104381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56763 + ... + 59145.

It is an arithmetic number, because the mean of its divisors is an integer number (9311904).

Almost surely, 2^138104382 is an apocalyptic number.

138104382 is an abundant number, since it is smaller than the sum of its proper divisors (159876546).

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

138104382 is a wasteful number, since it uses less digits than its factorization.

138104382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 138104382 is about 11751.7820776255. The cubic root of 138104382 is about 516.8951845648.

The spelling of 138104382 in words is "one hundred thirty-eight million, one hundred four thousand, three hundred eighty-two".