131715537252 has 96 divisors (see below), whose sum is σ = 335833989120. Its totient is φ = 39933855360.

The previous prime is 131715537211. The next prime is 131715537253. The reversal of 131715537252 is 252735517131.

131715537252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131715537253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36759453 + ... + 36763035.

It is an arithmetic number, because the mean of its divisors is an integer number (3498270720).

Almost surely, 2^131715537252 is an apocalyptic number.

131715537252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131715537252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167916994560).

131715537252 is an abundant number, since it is smaller than the sum of its proper divisors (204118451868).

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

131715537252 is a wasteful number, since it uses less digits than its factorization.

131715537252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993 (or 6991 counting only the distinct ones).

The product of its digits is 220500, while the sum is 42.

The spelling of 131715537252 in words is "one hundred thirty-one billion, seven hundred fifteen million, five hundred thirty-seven thousand, two hundred fifty-two".