132001646 has 16 divisors (see below), whose sum is σ = 236127744. Its totient is φ = 54112344.

The previous prime is 132001637. The next prime is 132001657. The reversal of 132001646 is 646100231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204650 + ... + 205293.

It is an arithmetic number, because the mean of its divisors is an integer number (14757984).

Almost surely, 2^132001646 is an apocalyptic number.

132001646 is a deficient number, since it is larger than the sum of its proper divisors (104126098).

132001646 is a wasteful number, since it uses less digits than its factorization.

132001646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409975.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 132001646 is about 11489.1969258082. The cubic root of 132001646 is about 509.1664533321.

Adding to 132001646 its reverse (646100231), we get a palindrome (778101877).

The spelling of 132001646 in words is "one hundred thirty-two million, one thousand, six hundred forty-six".