131343876 has 24 divisors (see below), whose sum is σ = 340521440. Its totient is φ = 43781256.

The previous prime is 131343859. The next prime is 131343889. The reversal of 131343876 is 678343131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131343876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607966 + ... + 608181.

Almost surely, 2^131343876 is an apocalyptic number.

It is an amenable number.

131343876 is an abundant number, since it is smaller than the sum of its proper divisors (209177564).

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

131343876 is a wasteful number, since it uses less digits than its factorization.

131343876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216160 (or 1216152 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 131343876 is about 11460.5355895787. The cubic root of 131343876 is about 508.3193117217.

The spelling of 131343876 in words is "one hundred thirty-one million, three hundred forty-three thousand, eight hundred seventy-six".