139145412484 has 27 divisors (see below), whose sum is σ = 263694819717. Its totient is φ = 64216483344.

The previous prime is 139145412481. The next prime is 139145412491. The reversal of 139145412484 is 484214541931.

The square root of 139145412484 is 373022.

It is a perfect power (a square), and thus also a powerful number.

139145412484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20583640900 + 118561771584 = 143470^2 + 344328^2 .

It is a super-2 number, since 2×139145412484² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139145412481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9691399 + ... + 9705745.

Almost surely, 2^139145412484 is an apocalyptic number.

139145412484 is the 373022-nd square number.

It is an amenable number.

139145412484 is a deficient number, since it is larger than the sum of its proper divisors (124549407233).

139145412484 is an frugal number, since it uses more digits than its factorization.

139145412484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28724 (or 14362 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 139145412484 in words is "one hundred thirty-nine billion, one hundred forty-five million, four hundred twelve thousand, four hundred eighty-four".