131673868 has 24 divisors (see below), whose sum is σ = 234984960. Its totient is φ = 64542720.

The previous prime is 131673821. The next prime is 131673887. The reversal of 131673868 is 868376131.

131673868 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

131673868 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92748 + ... + 94156.

It is an arithmetic number, because the mean of its divisors is an integer number (9791040).

Almost surely, 2^131673868 is an apocalyptic number.

It is an amenable number.

131673868 is a deficient number, since it is larger than the sum of its proper divisors (103311092).

131673868 is a wasteful number, since it uses less digits than its factorization.

131673868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1855 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 131673868 is about 11474.9234420104. The cubic root of 131673868 is about 508.7446608837.

The spelling of 131673868 in words is "one hundred thirty-one million, six hundred seventy-three thousand, eight hundred sixty-eight".