131000144402189 has 2 divisors, whose sum is σ = 131000144402190. Its totient is φ = 131000144402188.

The previous prime is 131000144402107. The next prime is 131000144402207. The reversal of 131000144402189 is 981204441000131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108167592133225 + 22832552268964 = 10400365^2 + 4778342^2 .

It is an emirp because it is prime and its reverse (981204441000131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131000144402189 - 2²⁴ = 131000127624973 is a prime.

It is a super-5 number, since 5×131000144402189⁵ (a number of 72 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131000144402089) 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, 65500072201094 + 65500072201095.

It is an arithmetic number, because the mean of its divisors is an integer number (65500072201095).

Almost surely, 2^{131000144402189} is an apocalyptic number.

It is an amenable number.

131000144402189 is a deficient number, since it is larger than the sum of its proper divisors (1).

131000144402189 is an equidigital number, since it uses as much as digits as its factorization.

131000144402189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 131000144402189 in words is "one hundred thirty-one trillion, one hundred forty-four million, four hundred two thousand, one hundred eighty-nine".