131237528 has 32 divisors (see below), whose sum is σ = 255474000. Its totient is φ = 63127680.

The previous prime is 131237521. The next prime is 131237549. The reversal of 131237528 is 825732131.

It is a junction number, because it is equal to n+sod(n) for n = 131237494 and 131237503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131237521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75938 + ... + 77646.

Almost surely, 2^131237528 is an apocalyptic number.

It is an amenable number.

131237528 is a deficient number, since it is larger than the sum of its proper divisors (124236472).

131237528 is a wasteful number, since it uses less digits than its factorization.

131237528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2071 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 131237528 is about 11455.8949017525. The cubic root of 131237528 is about 508.1820807606.

Adding to 131237528 its reverse (825732131), we get a palindrome (956969659).

The spelling of 131237528 in words is "one hundred thirty-one million, two hundred thirty-seven thousand, five hundred twenty-eight".