138841126 has 8 divisors (see below), whose sum is σ = 214979904. Its totient is φ = 67181160.

The previous prime is 138841117. The next prime is 138841141. The reversal of 138841126 is 621148831.

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

It is a junction number, because it is equal to n+sod(n) for n = 138841091 and 138841100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119625 + ... + 1119748.

It is an arithmetic number, because the mean of its divisors is an integer number (26872488).

Almost surely, 2^138841126 is an apocalyptic number.

138841126 is a deficient number, since it is larger than the sum of its proper divisors (76138778).

138841126 is a wasteful number, since it uses less digits than its factorization.

138841126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239406.

The product of its digits is 9216, while the sum is 34.

The square root of 138841126 is about 11783.0864377717. The cubic root of 138841126 is about 517.8127133590.

Adding to 138841126 its reverse (621148831), we get a palindrome (759989957).

The spelling of 138841126 in words is "one hundred thirty-eight million, eight hundred forty-one thousand, one hundred twenty-six".