131145214289 has 2 divisors, whose sum is σ = 131145214290. Its totient is φ = 131145214288.

The previous prime is 131145214181. The next prime is 131145214339. The reversal of 131145214289 is 982412541131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77376879889 + 53768334400 = 278167^2 + 231880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131145214289 is a prime.

It is not a weakly prime, because it can be changed into another prime (131145214789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65572607144 + 65572607145.

It is an arithmetic number, because the mean of its divisors is an integer number (65572607145).

Almost surely, 2^131145214289 is an apocalyptic number.

It is an amenable number.

131145214289 is a deficient number, since it is larger than the sum of its proper divisors (1).

131145214289 is an equidigital number, since it uses as much as digits as its factorization.

131145214289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The spelling of 131145214289 in words is "one hundred thirty-one billion, one hundred forty-five million, two hundred fourteen thousand, two hundred eighty-nine".