131708648 has 8 divisors (see below), whose sum is σ = 246953730. Its totient is φ = 65854320.

The previous prime is 131708623. The next prime is 131708651. The reversal of 131708648 is 846807131.

It can be written as a sum of positive squares in only one way, i.e., 99241444 + 32467204 = 9962^2 + 5698^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8231783 + ... + 8231798.

Almost surely, 2^131708648 is an apocalyptic number.

It is an amenable number.

131708648 is a deficient number, since it is larger than the sum of its proper divisors (115245082).

131708648 is a wasteful number, since it uses less digits than its factorization.

131708648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463587 (or 16463583 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 131708648 is about 11476.4388204704. The cubic root of 131708648 is about 508.7894497799.

The spelling of 131708648 in words is "one hundred thirty-one million, seven hundred eight thousand, six hundred forty-eight".