131136252 has 96 divisors (see below), whose sum is σ = 350353920. Its totient is φ = 37843200.

The previous prime is 131136211. The next prime is 131136259. The reversal of 131136252 is 252631131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131136259) 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, 447418 + ... + 447710.

It is an arithmetic number, because the mean of its divisors is an integer number (3649520).

Almost surely, 2^131136252 is an apocalyptic number.

131136252 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 131136252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175176960).

131136252 is an abundant number, since it is smaller than the sum of its proper divisors (219217668).

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

131136252 is a wasteful number, since it uses less digits than its factorization.

131136252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 481 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 131136252 is about 11451.4737916130. The cubic root of 131136252 is about 508.0513257501.

Adding to 131136252 its reverse (252631131), we get a palindrome (383767383).

The spelling of 131136252 in words is "one hundred thirty-one million, one hundred thirty-six thousand, two hundred fifty-two".