132865664 has 32 divisors (see below), whose sum is σ = 276207840. Its totient is φ = 63543040.

The previous prime is 132865661. The next prime is 132865669. The reversal of 132865664 is 466568231.

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

It is not an unprimeable number, because it can be changed into a prime (132865661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19622 + ... + 25509.

It is an arithmetic number, because the mean of its divisors is an integer number (8631495).

Almost surely, 2^132865664 is an apocalyptic number.

It is an amenable number.

132865664 is an abundant number, since it is smaller than the sum of its proper divisors (143342176).

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

132865664 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (132865665) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (45168).

132865664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45168 (or 45156 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 132865664 is about 11526.7369190070. The cubic root of 132865664 is about 510.2749561833.

The spelling of 132865664 in words is "one hundred thirty-two million, eight hundred sixty-five thousand, six hundred sixty-four".