13531120189 has 2 divisors, whose sum is σ = 13531120190. Its totient is φ = 13531120188.

The previous prime is 13531120181. The next prime is 13531120277. The reversal of 13531120189 is 98102113531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13307468164 + 223652025 = 115358^2 + 14955^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531120189 - 2³ = 13531120181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531120181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765560094 + 6765560095.

It is an arithmetic number, because the mean of its divisors is an integer number (6765560095).

Almost surely, 2^13531120189 is an apocalyptic number.

It is an amenable number.

13531120189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531120189 is an equidigital number, since it uses as much as digits as its factorization.

13531120189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 13531120189 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty thousand, one hundred eighty-nine".