13946539567121 has 16 divisors (see below), whose sum is σ = 16637367921408. Its totient is φ = 11430669465600.

The previous prime is 13946539567109. The next prime is 13946539567141. The reversal of 13946539567121 is 12176593564931.

It is not a de Polignac number, because 13946539567121 - 2¹⁴ = 13946539550737 is a prime.

It is a super-2 number, since 2×13946539567121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13946539567141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13753160 + ... + 14732361.

It is an arithmetic number, because the mean of its divisors is an integer number (1039835495088).

Almost surely, 2^{13946539567121} is an apocalyptic number.

It is an amenable number.

13946539567121 is a deficient number, since it is larger than the sum of its proper divisors (2690828354287).

13946539567121 is a wasteful number, since it uses less digits than its factorization.

13946539567121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488592.

The product of its digits is 36741600, while the sum is 62.

The spelling of 13946539567121 in words is "thirteen trillion, nine hundred forty-six billion, five hundred thirty-nine million, five hundred sixty-seven thousand, one hundred twenty-one".