13205146994 has 16 divisors (see below), whose sum is σ = 21335092800. Its totient is φ = 6093625680.

The previous prime is 13205146993. The next prime is 13205147017. The reversal of 13205146994 is 49964150231.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13205146993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120209 + ... + 202139.

It is an arithmetic number, because the mean of its divisors is an integer number (1333443300).

Almost surely, 2^13205146994 is an apocalyptic number.

13205146994 is a deficient number, since it is larger than the sum of its proper divisors (8129945806).

13205146994 is a wasteful number, since it uses less digits than its factorization.

13205146994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88145.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 13205146994 in words is "thirteen billion, two hundred five million, one hundred forty-six thousand, nine hundred ninety-four".