131428876 has 12 divisors (see below), whose sum is σ = 232278480. Its totient is φ = 65063600.

The previous prime is 131428867. The next prime is 131428883. The reversal of 131428876 is 678824131.

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, 162256 + ... + 163063.

It is an arithmetic number, because the mean of its divisors is an integer number (19356540).

Almost surely, 2^131428876 is an apocalyptic number.

It is an amenable number.

131428876 is a deficient number, since it is larger than the sum of its proper divisors (100849604).

131428876 is a wasteful number, since it uses less digits than its factorization.

131428876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325424 (or 325422 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 131428876 is about 11464.2433679681. The cubic root of 131428876 is about 508.4289420691.

The spelling of 131428876 in words is "one hundred thirty-one million, four hundred twenty-eight thousand, eight hundred seventy-six".