13539047378 has 8 divisors (see below), whose sum is σ = 20611684272. Its totient is φ = 6668485956.

The previous prime is 13539047369. The next prime is 13539047383. The reversal of 13539047378 is 87374093531.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50518700 + ... + 50518967.

It is an arithmetic number, because the mean of its divisors is an integer number (2576460534).

Almost surely, 2^13539047378 is an apocalyptic number.

13539047378 is a deficient number, since it is larger than the sum of its proper divisors (7072636894).

13539047378 is a wasteful number, since it uses less digits than its factorization.

13539047378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101037736.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 13539047378 in words is "thirteen billion, five hundred thirty-nine million, forty-seven thousand, three hundred seventy-eight".