13856840348 has 12 divisors (see below), whose sum is σ = 26114814600. Its totient is φ = 6395464752.

The previous prime is 13856840323. The next prime is 13856840351. The reversal of 13856840348 is 84304865831.

It is a super-2 number, since 2×13856840348² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13856840296 and 13856840305.

It is a congruent number.

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, 133238798 + ... + 133238901.

It is an arithmetic number, because the mean of its divisors is an integer number (2176234550).

Almost surely, 2^13856840348 is an apocalyptic number.

It is an amenable number.

13856840348 is a deficient number, since it is larger than the sum of its proper divisors (12257974252).

13856840348 is a wasteful number, since it uses less digits than its factorization.

13856840348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266477716 (or 266477714 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 13856840348 in words is "thirteen billion, eight hundred fifty-six million, eight hundred forty thousand, three hundred forty-eight".