131428496 has 40 divisors (see below), whose sum is σ = 270768384. Its totient is φ = 61585920.

The previous prime is 131428487. The next prime is 131428519. The reversal of 131428496 is 694824131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72821 + ... + 74603.

Almost surely, 2^131428496 is an apocalyptic number.

131428496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131428496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135384192).

131428496 is an abundant number, since it is smaller than the sum of its proper divisors (139339888).

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

131428496 is a wasteful number, since it uses less digits than its factorization.

131428496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2073 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 131428496 is about 11464.2267946862. The cubic root of 131428496 is about 508.4284520621.

The spelling of 131428496 in words is "one hundred thirty-one million, four hundred twenty-eight thousand, four hundred ninety-six".