13526806394 has 8 divisors (see below), whose sum is σ = 20838593748. Its totient is φ = 6580608480.

The previous prime is 13526806373. The next prime is 13526806427. The reversal of 13526806394 is 49360862531.

It can be written as a sum of positive squares in 2 ways, for example, as 10462630369 + 3064176025 = 102287^2 + 55355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91397267 + ... + 91397414.

Almost surely, 2^13526806394 is an apocalyptic number.

13526806394 is a deficient number, since it is larger than the sum of its proper divisors (7311787354).

13526806394 is a wasteful number, since it uses less digits than its factorization.

13526806394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182794720.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 13526806394 in words is "thirteen billion, five hundred twenty-six million, eight hundred six thousand, three hundred ninety-four".