131134212442452 has 24 divisors (see below), whose sum is σ = 306076444160256. Its totient is φ = 43697601986368.

The previous prime is 131134212442421. The next prime is 131134212442469. The reversal of 131134212442452 is 254244212431131.

It is a self number, because there is not a number n which added to its sum of digits gives 131134212442452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725230553 + ... + 1725306560.

It is an arithmetic number, because the mean of its divisors is an integer number (12753185173344).

Almost surely, 2^{131134212442452} is an apocalyptic number.

131134212442452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131134212442452 is an abundant number, since it is smaller than the sum of its proper divisors (174942231717804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131134212442452 is a wasteful number, since it uses less digits than its factorization.

131134212442452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450540287 (or 3450540285 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

Adding to 131134212442452 its reverse (254244212431131), we get a palindrome (385378424873583).

The spelling of 131134212442452 in words is "one hundred thirty-one trillion, one hundred thirty-four billion, two hundred twelve million, four hundred forty-two thousand, four hundred fifty-two".