131447832 has 32 divisors (see below), whose sum is σ = 330068400. Its totient is φ = 43622784.

The previous prime is 131447831. The next prime is 131447837. The reversal of 131447832 is 238744131.

It is a junction number, because it is equal to n+sod(n) for n = 131447793 and 131447802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131447831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6463 + ... + 17454.

Almost surely, 2^131447832 is an apocalyptic number.

131447832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131447832 is an abundant number, since it is smaller than the sum of its proper divisors (198620568).

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

131447832 is a wasteful number, since it uses less digits than its factorization.

131447832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24155 (or 24151 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 131447832 is about 11465.0700826467. The cubic root of 131447832 is about 508.4533844798.

The spelling of 131447832 in words is "one hundred thirty-one million, four hundred forty-seven thousand, eight hundred thirty-two".