13521894107 has 2 divisors, whose sum is σ = 13521894108. Its totient is φ = 13521894106.

The previous prime is 13521894101. The next prime is 13521894149. The reversal of 13521894107 is 70149812531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13521894107 - 2⁴ = 13521894091 is a prime.

It is not a weakly prime, because it can be changed into another prime (13521894101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760947053 + 6760947054.

It is an arithmetic number, because the mean of its divisors is an integer number (6760947054).

Almost surely, 2^13521894107 is an apocalyptic number.

13521894107 is a deficient number, since it is larger than the sum of its proper divisors (1).

13521894107 is an equidigital number, since it uses as much as digits as its factorization.

13521894107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 13521894107 in words is "thirteen billion, five hundred twenty-one million, eight hundred ninety-four thousand, one hundred seven".