131432548 has 12 divisors (see below), whose sum is σ = 247699900. Its totient is φ = 60661152.

The previous prime is 131432513. The next prime is 131432599. The reversal of 131432548 is 845234131.

It can be written as a sum of positive squares in 2 ways, for example, as 51294244 + 80138304 = 7162^2 + 8952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263723 + ... + 1263826.

Almost surely, 2^131432548 is an apocalyptic number.

It is an amenable number.

131432548 is a deficient number, since it is larger than the sum of its proper divisors (116267352).

131432548 is a wasteful number, since it uses less digits than its factorization.

131432548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527566 (or 2527564 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 131432548 is about 11464.4035169737. The cubic root of 131432548 is about 508.4336770348.

Adding to 131432548 its reverse (845234131), we get a palindrome (976666679).

The spelling of 131432548 in words is "one hundred thirty-one million, four hundred thirty-two thousand, five hundred forty-eight".