131800386 has 8 divisors (see below), whose sum is σ = 263600784. Its totient is φ = 43933460.

The previous prime is 131800379. The next prime is 131800387. The reversal of 131800386 is 683008131.

It is a sphenic number, since it is the product of 3 distinct primes.

131800386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131800387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10983360 + ... + 10983371.

It is an arithmetic number, because the mean of its divisors is an integer number (32950098).

Almost surely, 2^131800386 is an apocalyptic number.

131800386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131800386 is a wasteful number, since it uses less digits than its factorization.

131800386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21966736.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 131800386 is about 11480.4349220750. The cubic root of 131800386 is about 508.9075500835.

The spelling of 131800386 in words is "one hundred thirty-one million, eight hundred thousand, three hundred eighty-six".