131681016 has 24 divisors (see below), whose sum is σ = 356636280. Its totient is φ = 43893648.

The previous prime is 131681009. The next prime is 131681027. The reversal of 131681016 is 610186131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 914380 + ... + 914523.

It is an arithmetic number, because the mean of its divisors is an integer number (14859845).

Almost surely, 2^131681016 is an apocalyptic number.

It is an amenable number.

131681016 is an abundant number, since it is smaller than the sum of its proper divisors (224955264).

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

131681016 is a wasteful number, since it uses less digits than its factorization.

131681016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828915 (or 1828908 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 131681016 is about 11475.2348995565. The cubic root of 131681016 is about 508.7538665600.

The spelling of 131681016 in words is "one hundred thirty-one million, six hundred eighty-one thousand, sixteen".