131632248 has 64 divisors (see below), whose sum is σ = 360961920. Its totient is φ = 39670400.

The previous prime is 131632229. The next prime is 131632253. The reversal of 131632248 is 842236131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50743 + ... + 53273.

It is an arithmetic number, because the mean of its divisors is an integer number (5640030).

Almost surely, 2^131632248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131632248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180480960).

131632248 is an abundant number, since it is smaller than the sum of its proper divisors (229329672).

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

131632248 is a wasteful number, since it uses less digits than its factorization.

131632248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2744 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 131632248 is about 11473.1097789571. The cubic root of 131632248 is about 508.6910532230.

Adding to 131632248 its reverse (842236131), we get a palindrome (973868379).

The spelling of 131632248 in words is "one hundred thirty-one million, six hundred thirty-two thousand, two hundred forty-eight".