138741876 has 192 divisors, whose sum is σ = 466636800. Its totient is φ = 34618752.

The previous prime is 138741853. The next prime is 138741893. The reversal of 138741876 is 678147831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186361 + ... + 187103.

It is an arithmetic number, because the mean of its divisors is an integer number (2430400).

Almost surely, 2^138741876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138741876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233318400).

138741876 is an abundant number, since it is smaller than the sum of its proper divisors (327894924).

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

138741876 is a wasteful number, since it uses less digits than its factorization.

138741876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 787 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 138741876 is about 11778.8741397470. The cubic root of 138741876 is about 517.6892985271.

The spelling of 138741876 in words is "one hundred thirty-eight million, seven hundred forty-one thousand, eight hundred seventy-six".