13728898139 has 8 divisors (see below), whose sum is σ = 14987110320. Its totient is φ = 12472374400.

The previous prime is 13728898123. The next prime is 13728898213. The reversal of 13728898139 is 93189882731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13728898139 - 2⁴ = 13728898123 is a prime.

It is a super-2 number, since 2×13728898139² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13728898639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405074 + ... + 437655.

It is an arithmetic number, because the mean of its divisors is an integer number (1873388790).

Almost surely, 2^13728898139 is an apocalyptic number.

13728898139 is a deficient number, since it is larger than the sum of its proper divisors (1258212181).

13728898139 is a wasteful number, since it uses less digits than its factorization.

13728898139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844221.

The product of its digits is 5225472, while the sum is 59.

The spelling of 13728898139 in words is "thirteen billion, seven hundred twenty-eight million, eight hundred ninety-eight thousand, one hundred thirty-nine".