131663744 has 32 divisors (see below), whose sum is σ = 263794440. Its totient is φ = 65456640.

The previous prime is 131663717. The next prime is 131663783. The reversal of 131663744 is 447366131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 20327 + ... + 26009.

Almost surely, 2^131663744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131663744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131897220).

131663744 is an abundant number, since it is smaller than the sum of its proper divisors (132130696).

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

131663744 is an equidigital number, since it uses as much as digits as its factorization.

131663744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 5866 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 131663744 is about 11474.4822976899. The cubic root of 131663744 is about 508.7316219438.

The spelling of 131663744 in words is "one hundred thirty-one million, six hundred sixty-three thousand, seven hundred forty-four".