138060225 has 36 divisors (see below), whose sum is σ = 248086800. Its totient is φ = 73392480.

The previous prime is 138060211. The next prime is 138060227. The reversal of 138060225 is 522060831.

138060225 is a `hidden beast` number, since 1 + 38 + 0 + 602 + 25 = 666.

It is not a de Polignac number, because 138060225 - 2⁵ = 138060193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138060227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84466 + ... + 86084.

It is an arithmetic number, because the mean of its divisors is an integer number (6891300).

Almost surely, 2^138060225 is an apocalyptic number.

138060225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138060225 is a deficient number, since it is larger than the sum of its proper divisors (110026575).

138060225 is a wasteful number, since it uses less digits than its factorization.

138060225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 138060225 is about 11749.9031910906. The cubic root of 138060225 is about 516.8400886213.

The spelling of 138060225 in words is "one hundred thirty-eight million, sixty thousand, two hundred twenty-five".