138430005425 has 12 divisors (see below), whose sum is σ = 171860293020. Its totient is φ = 110610400320.

The previous prime is 138430005379. The next prime is 138430005437. The reversal of 138430005425 is 524500034831.

It can be written as a sum of positive squares in 6 ways, for example, as 16151105569 + 122278899856 = 127087^2 + 349684^2 .

It is not a de Polignac number, because 138430005425 - 2⁸ = 138430005169 is a prime.

It is an unprimeable number.

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, 3318962 + ... + 3360411.

It is an arithmetic number, because the mean of its divisors is an integer number (14321691085).

Almost surely, 2^138430005425 is an apocalyptic number.

It is an amenable number.

138430005425 is a deficient number, since it is larger than the sum of its proper divisors (33430287595).

138430005425 is an equidigital number, since it uses as much as digits as its factorization.

138430005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680212 (or 6680207 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 138430005425 in words is "one hundred thirty-eight billion, four hundred thirty million, five thousand, four hundred twenty-five".