13148062181 has 2 divisors, whose sum is σ = 13148062182. Its totient is φ = 13148062180.

The previous prime is 13148062177. The next prime is 13148062243. The reversal of 13148062181 is 18126084131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8381402500 + 4766659681 = 91550^2 + 69041^2 .

It is a cyclic number.

It is not a de Polignac number, because 13148062181 - 2² = 13148062177 is a prime.

It is a super-2 number, since 2×13148062181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13148062981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574031090 + 6574031091.

It is an arithmetic number, because the mean of its divisors is an integer number (6574031091).

Almost surely, 2^13148062181 is an apocalyptic number.

It is an amenable number.

13148062181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13148062181 is an equidigital number, since it uses as much as digits as its factorization.

13148062181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 13148062181 in words is "thirteen billion, one hundred forty-eight million, sixty-two thousand, one hundred eighty-one".