131800946 has 8 divisors (see below), whose sum is σ = 197917020. Its totient is φ = 65828608.

The previous prime is 131800927. The next prime is 131800951. The reversal of 131800946 is 649008131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105165025 + 26635921 = 10255^2 + 5161^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33611 + ... + 37326.

Almost surely, 2^131800946 is an apocalyptic number.

131800946 is a deficient number, since it is larger than the sum of its proper divisors (66116074).

131800946 is an equidigital number, since it uses as much as digits as its factorization.

131800946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71868.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 131800946 is about 11480.4593113690. The cubic root of 131800946 is about 508.9082708397.

The spelling of 131800946 in words is "one hundred thirty-one million, eight hundred thousand, nine hundred forty-six".