131448336 has 20 divisors (see below), whose sum is σ = 339574992. Its totient is φ = 43816096.

The previous prime is 131448313. The next prime is 131448347. The reversal of 131448336 is 633844131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131448297 and 131448306.

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, 1369206 + ... + 1369301.

Almost surely, 2^131448336 is an apocalyptic number.

131448336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131448336 is an abundant number, since it is smaller than the sum of its proper divisors (208126656).

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

131448336 is a wasteful number, since it uses less digits than its factorization.

131448336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738518 (or 2738512 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 131448336 is about 11465.0920624302. The cubic root of 131448336 is about 508.4540343198.

The spelling of 131448336 in words is "one hundred thirty-one million, four hundred forty-eight thousand, three hundred thirty-six".