131685848 has 16 divisors (see below), whose sum is σ = 282184080. Its totient is φ = 56436768.

The previous prime is 131685847. The next prime is 131685871. The reversal of 131685848 is 848586131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131685799 and 131685808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131685847) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1175711 + ... + 1175822.

It is an arithmetic number, because the mean of its divisors is an integer number (17636505).

Almost surely, 2^131685848 is an apocalyptic number.

It is an amenable number.

131685848 is an abundant number, since it is smaller than the sum of its proper divisors (150498232).

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

131685848 is a wasteful number, since it uses less digits than its factorization.

131685848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351546 (or 2351542 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 131685848 is about 11475.4454379776. The cubic root of 131685848 is about 508.7600893467.

It can be divided in two parts, 13 and 1685848, that added together give a palindrome (1685861).

The spelling of 131685848 in words is "one hundred thirty-one million, six hundred eighty-five thousand, eight hundred forty-eight".