138144110 has 32 divisors (see below), whose sum is σ = 277028640. Its totient is φ = 49246848.

The previous prime is 138144107. The next prime is 138144119. The reversal of 138144110 is 11441831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138144119) 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, 14552 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (8657145).

Almost surely, 2^138144110 is an apocalyptic number.

138144110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138144110 is an abundant number, since it is smaller than the sum of its proper divisors (138884530).

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

138144110 is a wasteful number, since it uses less digits than its factorization.

138144110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36692.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 138144110 is about 11753.4722529132. The cubic root of 138144110 is about 516.9447442839.

Adding to 138144110 its reverse (11441831), we get a palindrome (149585941).

The spelling of 138144110 in words is "one hundred thirty-eight million, one hundred forty-four thousand, one hundred ten".