13959186201 has 9 divisors (see below), whose sum is σ = 20163780949. Its totient is φ = 9305887836.

The previous prime is 13959186187. The next prime is 13959186203. The reversal of 13959186201 is 10268195931.

The square root of 13959186201 is 118149.

It is a perfect power (a square), and thus also a powerful number.

13959186201 is a `hidden beast` number, since 1 + 3 + 9 + 5 + 9 + 18 + 620 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 13959186201 - 2⁹ = 13959185689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13959186203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 334756 + ... + 374138.

Almost surely, 2^13959186201 is an apocalyptic number.

13959186201 is the 118149-th square number.

13959186201 is the 59075-th centered octagonal number.

It is an amenable number.

13959186201 is a deficient number, since it is larger than the sum of its proper divisors (6204594748).

13959186201 is an frugal number, since it uses more digits than its factorization.

13959186201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78772 (or 39386 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 13959186201 in words is "thirteen billion, nine hundred fifty-nine million, one hundred eighty-six thousand, two hundred one".