138586744125 has 32 divisors (see below), whose sum is σ = 256231497600. Its totient is φ = 73912928400.

The previous prime is 138586744117. The next prime is 138586744133. The reversal of 138586744125 is 521447685831.

It is a happy number.

138586744125 is a `hidden beast` number, since 1 + 3 + 8 + 586 + 7 + 44 + 12 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (138586744117) and next prime (138586744133).

It is not a de Polignac number, because 138586744125 - 2³ = 138586744117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20527995 + ... + 20534744.

It is an arithmetic number, because the mean of its divisors is an integer number (8007234300).

Almost surely, 2^138586744125 is an apocalyptic number.

138586744125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138586744125 is a deficient number, since it is larger than the sum of its proper divisors (117644753475).

138586744125 is an equidigital number, since it uses as much as digits as its factorization.

138586744125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41062763 (or 41062747 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 138586744125 in words is "one hundred thirty-eight billion, five hundred eighty-six million, seven hundred forty-four thousand, one hundred twenty-five".