132021403 has 16 divisors (see below), whose sum is σ = 140958720. Its totient is φ = 123387264.

The previous prime is 132021401. The next prime is 132021431. The reversal of 132021403 is 304120231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 132021403 - 2¹ = 132021401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132021401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 205000 + ... + 205642.

It is an arithmetic number, because the mean of its divisors is an integer number (8809920).

Almost surely, 2^132021403 is an apocalyptic number.

132021403 is a deficient number, since it is larger than the sum of its proper divisors (8937317).

132021403 is a wasteful number, since it uses less digits than its factorization.

132021403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132021403 is about 11490.0567013396. The cubic root of 132021403 is about 509.1918547825.

Adding to 132021403 its reverse (304120231), we get a palindrome (436141634).

The spelling of 132021403 in words is "one hundred thirty-two million, twenty-one thousand, four hundred three".