7131132 has 24 divisors (see below), whose sum is σ = 18488400. Its totient is φ = 2377008.

The previous prime is 7131119. The next prime is 7131133. The reversal of 7131132 is 2311317.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32907 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (770350).

Almost surely, 2^7131132 is an apocalyptic number.

It is an amenable number.

7131132 is an abundant number, since it is smaller than the sum of its proper divisors (11357268).

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

7131132 is a wasteful number, since it uses less digits than its factorization.

7131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66042 (or 66034 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 7131132 is about 2670.4179448169. The cubic root of 7131132 is about 192.4802430952.

Adding to 7131132 its reverse (2311317), we get a palindrome (9442449).

The spelling of 7131132 in words is "seven million, one hundred thirty-one thousand, one hundred thirty-two".