13939800727 has 4 divisors (see below), whose sum is σ = 14316552136. Its totient is φ = 13563049320.

The previous prime is 13939800643. The next prime is 13939800751. The reversal of 13939800727 is 72700893931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72700893931 = 101 ⋅719810831.

It is a cyclic number.

It is not a de Polignac number, because 13939800727 - 2¹¹ = 13939798679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939800767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188375649 + ... + 188375722.

It is an arithmetic number, because the mean of its divisors is an integer number (3579138034).

Almost surely, 2^13939800727 is an apocalyptic number.

13939800727 is a deficient number, since it is larger than the sum of its proper divisors (376751409).

13939800727 is an equidigital number, since it uses as much as digits as its factorization.

13939800727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376751408.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 13939800727 in words is "thirteen billion, nine hundred thirty-nine million, eight hundred thousand, seven hundred twenty-seven".