13705205814 has 12 divisors (see below), whose sum is σ = 29694612636. Its totient is φ = 4568401932.

The previous prime is 13705205777. The next prime is 13705205821. The reversal of 13705205814 is 41850250731.

13705205814 is a `hidden beast` number, since 1 + 3 + 70 + 5 + 2 + 0 + 581 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380700144 + ... + 380700179.

It is an arithmetic number, because the mean of its divisors is an integer number (2474551053).

Almost surely, 2^13705205814 is an apocalyptic number.

13705205814 is an abundant number, since it is smaller than the sum of its proper divisors (15989406822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13705205814 is a wasteful number, since it uses less digits than its factorization.

13705205814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761400331 (or 761400328 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 13705205814 in words is "thirteen billion, seven hundred five million, two hundred five thousand, eight hundred fourteen".