132439986 has 48 divisors (see below), whose sum is σ = 330165888. Its totient is φ = 37584000.

The previous prime is 132439969. The next prime is 132440023. The reversal of 132439986 is 689934231.

It is a happy number.

132439986 is a `hidden beast` number, since 132 + 439 + 9 + 86 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15546 + ... + 22506.

It is an arithmetic number, because the mean of its divisors is an integer number (6878456).

Almost surely, 2^132439986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132439986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165082944).

132439986 is an abundant number, since it is smaller than the sum of its proper divisors (197725902).

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

132439986 is a wasteful number, since it uses less digits than its factorization.

132439986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127 (or 7124 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 132439986 is about 11508.2572963938. The cubic root of 132439986 is about 509.7294297208.

The spelling of 132439986 in words is "one hundred thirty-two million, four hundred thirty-nine thousand, nine hundred eighty-six".