131663252 has 48 divisors (see below), whose sum is σ = 270047232. Its totient is φ = 55006560.

The previous prime is 131663239. The next prime is 131663267. The reversal of 131663252 is 252366131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204443 + ... + 205085.

It is an arithmetic number, because the mean of its divisors is an integer number (5625984).

Almost surely, 2^131663252 is an apocalyptic number.

It is an amenable number.

131663252 is an abundant number, since it is smaller than the sum of its proper divisors (138383980).

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

131663252 is a wasteful number, since it uses less digits than its factorization.

131663252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 131663252 is about 11474.4608587942. The cubic root of 131663252 is about 508.7309882683.

The spelling of 131663252 in words is "one hundred thirty-one million, six hundred sixty-three thousand, two hundred fifty-two".