138011125 has 32 divisors (see below), whose sum is σ = 201696768. Its totient is φ = 92304000.

The previous prime is 138011053. The next prime is 138011141. The reversal of 138011125 is 521110831.

It is a de Polignac number, because none of the positive numbers 2^k-138011125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138011096 and 138011105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33952 + ... + 37798.

It is an arithmetic number, because the mean of its divisors is an integer number (6303024).

Almost surely, 2^138011125 is an apocalyptic number.

It is an amenable number.

138011125 is a deficient number, since it is larger than the sum of its proper divisors (63685643).

138011125 is an equidigital number, since it uses as much as digits as its factorization.

138011125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 138011125 is about 11747.8136263732. The cubic root of 138011125 is about 516.7788113603.

Adding to 138011125 its reverse (521110831), we get a palindrome (659121956).

The spelling of 138011125 in words is "one hundred thirty-eight million, eleven thousand, one hundred twenty-five".