132223640 has 16 divisors (see below), whose sum is σ = 297503280. Its totient is φ = 52889440.

The previous prime is 132223631. The next prime is 132223657. The reversal of 132223640 is 46322231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652756 + ... + 1652835.

It is an arithmetic number, because the mean of its divisors is an integer number (18593955).

Almost surely, 2^132223640 is an apocalyptic number.

132223640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132223640 is an abundant number, since it is smaller than the sum of its proper divisors (165279640).

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

132223640 is a wasteful number, since it uses less digits than its factorization.

132223640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305602 (or 3305598 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 132223640 is about 11498.8538559284. The cubic root of 132223640 is about 509.4517239994.

Adding to 132223640 its reverse (46322231), we get a palindrome (178545871).

The spelling of 132223640 in words is "one hundred thirty-two million, two hundred twenty-three thousand, six hundred forty".