81714132 has 36 divisors (see below), whose sum is σ = 208143936. Its totient is φ = 27028560.

The previous prime is 81714119. The next prime is 81714173. The reversal of 81714132 is 23141718.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 81714096 and 81714105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3948 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (5781776).

Almost surely, 2^81714132 is an apocalyptic number.

It is an amenable number.

81714132 is an abundant number, since it is smaller than the sum of its proper divisors (126429804).

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

81714132 is a wasteful number, since it uses less digits than its factorization.

81714132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17468 (or 17463 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 81714132 is about 9039.5869374657. The cubic root of 81714132 is about 433.9427037558.

The spelling of 81714132 in words is "eighty-one million, seven hundred fourteen thousand, one hundred thirty-two".