14009128237129 has 3 divisors (see below), whose sum is σ = 14009131980007. Its totient is φ = 14009124494252.

The previous prime is 14009128237099. The next prime is 14009128237151. The reversal of 14009128237129 is 92173282190041.

The square root of 14009128237129 is 3742877.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 12571882119225 + 1437246117904 = 3545685^2 + 1198852^2 .

It is not a de Polignac number, because 14009128237129 - 2⁹ = 14009128236617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14009128232129) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1871439 + ... + 5614315.

Almost surely, 2^{14009128237129} is an apocalyptic number.

14009128237129 is the 3742877-th square number.

14009128237129 is the 1871439-th centered octagonal number.

It is an amenable number.

14009128237129 is a deficient number, since it is larger than the sum of its proper divisors (3742878).

14009128237129 is an frugal number, since it uses more digits than its factorization.

14009128237129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485754 (or 3742877 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

Multiplying 14009128237129 by its sum of digits (49), we get a square (686447283619321 = 26200139²).

The spelling of 14009128237129 in words is "fourteen trillion, nine billion, one hundred twenty-eight million, two hundred thirty-seven thousand, one hundred twenty-nine".