13394590225 has 27 divisors (see below), whose sum is σ = 16879806993. Its totient is φ = 10543921440.

The previous prime is 13394590217. The next prime is 13394590259. The reversal of 13394590225 is 52209549331.

The square root of 13394590225 is 115735.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2121247249 + 11273342976 = 46057^2 + 106176^2 .

It is not a de Polignac number, because 13394590225 - 2³ = 13394590217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45715179 + ... + 45715471.

Almost surely, 2^13394590225 is an apocalyptic number.

13394590225 is the 115735-th square number.

13394590225 is the 57868-th centered octagonal number.

It is an amenable number.

13394590225 is a deficient number, since it is larger than the sum of its proper divisors (3485216768).

13394590225 is an frugal number, since it uses more digits than its factorization.

13394590225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 13394590225 in words is "thirteen billion, three hundred ninety-four million, five hundred ninety thousand, two hundred twenty-five".