131134212420225 has 96 divisors (see below), whose sum is σ = 249705402236160. Its totient is φ = 59483136983040.

The previous prime is 131134212420163. The next prime is 131134212420257. The reversal of 131134212420225 is 522024212431131.

It is not a de Polignac number, because 131134212420225 - 2²⁹ = 131133675549313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37751937 + ... + 41078913.

It is an arithmetic number, because the mean of its divisors is an integer number (2601097939960).

Almost surely, 2^{131134212420225} is an apocalyptic number.

131134212420225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131134212420225 is a deficient number, since it is larger than the sum of its proper divisors (118571189815935).

131134212420225 is a wasteful number, since it uses less digits than its factorization.

131134212420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327579 (or 3327574 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 131134212420225 its reverse (522024212431131), we get a palindrome (653158424851356).

The spelling of 131134212420225 in words is "one hundred thirty-one trillion, one hundred thirty-four billion, two hundred twelve million, four hundred twenty thousand, two hundred twenty-five".