13921514343 has 12 divisors (see below), whose sum is σ = 21936931848. Its totient is φ = 8437281360.

The previous prime is 13921514329. The next prime is 13921514363. The reversal of 13921514343 is 34341512931.

13921514343 is a `hidden beast` number, since 1 + 3 + 9 + 215 + 1 + 434 + 3 = 666.

It is not a de Polignac number, because 13921514343 - 2⁶ = 13921514279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13921514298 and 13921514307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13921514323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70310580 + ... + 70310777.

It is an arithmetic number, because the mean of its divisors is an integer number (1828077654).

Almost surely, 2^13921514343 is an apocalyptic number.

13921514343 is a deficient number, since it is larger than the sum of its proper divisors (8015417505).

13921514343 is a wasteful number, since it uses less digits than its factorization.

13921514343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140621374 (or 140621371 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 13921514343 in words is "thirteen billion, nine hundred twenty-one million, five hundred fourteen thousand, three hundred forty-three".