131747132 has 24 divisors (see below), whose sum is σ = 251876352. Its totient is φ = 59799600.

The previous prime is 131747123. The next prime is 131747149. The reversal of 131747132 is 231747131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131747095 and 131747104.

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, 37157 + ... + 40547.

It is an arithmetic number, because the mean of its divisors is an integer number (10494848).

Almost surely, 2^131747132 is an apocalyptic number.

It is an amenable number.

131747132 is a deficient number, since it is larger than the sum of its proper divisors (120129220).

131747132 is a wasteful number, since it uses less digits than its factorization.

131747132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4287 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 131747132 is about 11478.1153505268. The cubic root of 131747132 is about 508.8389994153.

Subtracting 131747132 from its reverse (231747131), we obtain a palindrome (99999999).

The spelling of 131747132 in words is "one hundred thirty-one million, seven hundred forty-seven thousand, one hundred thirty-two".