132566640 has 80 divisors (see below), whose sum is σ = 412119456. Its totient is φ = 35251200.

The previous prime is 132566611. The next prime is 132566659. The reversal of 132566640 is 46665231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129330 + ... + 130350.

Almost surely, 2^132566640 is an apocalyptic number.

132566640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132566640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206059728).

132566640 is an abundant number, since it is smaller than the sum of its proper divisors (279552816).

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

132566640 is a wasteful number, since it uses less digits than its factorization.

132566640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 132566640 is about 11513.7587259765. The cubic root of 132566640 is about 509.8918648092.

The spelling of 132566640 in words is "one hundred thirty-two million, five hundred sixty-six thousand, six hundred forty".