138282425 has 12 divisors (see below), whose sum is σ = 174283116. Its totient is φ = 108811200.

The previous prime is 138282383. The next prime is 138282427. The reversal of 138282425 is 524282831.

It can be written as a sum of positive squares in 6 ways, for example, as 67453369 + 70829056 = 8213^2 + 8416^2 .

It is not a de Polignac number, because 138282425 - 2⁸ = 138282169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138282427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43814 + ... + 46863.

It is an arithmetic number, because the mean of its divisors is an integer number (14523593).

Almost surely, 2^138282425 is an apocalyptic number.

It is an amenable number.

138282425 is a deficient number, since it is larger than the sum of its proper divisors (36000691).

138282425 is an equidigital number, since it uses as much as digits as its factorization.

138282425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90748 (or 90743 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 138282425 is about 11759.3547867219. The cubic root of 138282425 is about 517.1172148108.

The spelling of 138282425 in words is "one hundred thirty-eight million, two hundred eighty-two thousand, four hundred twenty-five".