138485325921435 has 12 divisors (see below), whose sum is σ = 240041231597232. Its totient is φ = 73858840491408.

The previous prime is 138485325921433. The next prime is 138485325921451. The reversal of 138485325921435 is 534129523584831.

138485325921435 is a `hidden beast` number, since 1 + 3 + 8 + 4 + 8 + 5 + 3 + 2 + 592 + 1 + 4 + 35 = 666.

It is not a de Polignac number, because 138485325921435 - 2¹ = 138485325921433 is a prime.

It is a super-3 number, since 3×138485325921435³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (138485325921433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1538725843527 + ... + 1538725843616.

It is an arithmetic number, because the mean of its divisors is an integer number (20003435966436).

Almost surely, 2^{138485325921435} is an apocalyptic number.

138485325921435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138485325921435 is a deficient number, since it is larger than the sum of its proper divisors (101555905675797).

138485325921435 is a wasteful number, since it uses less digits than its factorization.

138485325921435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077451687154 (or 3077451687151 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 63.

The spelling of 138485325921435 in words is "one hundred thirty-eight trillion, four hundred eighty-five billion, three hundred twenty-five million, nine hundred twenty-one thousand, four hundred thirty-five".