131025448 has 8 divisors (see below), whose sum is σ = 245672730. Its totient is φ = 65512720.

The previous prime is 131025407. The next prime is 131025467. The reversal of 131025448 is 844520131.

It can be written as a sum of positive squares in only one way, i.e., 111471364 + 19554084 = 10558^2 + 4422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8189083 + ... + 8189098.

Almost surely, 2^131025448 is an apocalyptic number.

It is an amenable number.

131025448 is a deficient number, since it is larger than the sum of its proper divisors (114647282).

131025448 is a wasteful number, since it uses less digits than its factorization.

131025448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16378187 (or 16378183 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 131025448 is about 11446.6347893169. The cubic root of 131025448 is about 507.9081922256.

Adding to 131025448 its reverse (844520131), we get a palindrome (975545579).

The spelling of 131025448 in words is "one hundred thirty-one million, twenty-five thousand, four hundred forty-eight".