421403132 has 6 divisors (see below), whose sum is σ = 737455488. Its totient is φ = 210701564.

The previous prime is 421403093. The next prime is 421403137. The reversal of 421403132 is 231304124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421403137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52675388 + ... + 52675395.

It is an arithmetic number, because the mean of its divisors is an integer number (122909248).

Almost surely, 2^421403132 is an apocalyptic number.

It is an amenable number.

421403132 is a deficient number, since it is larger than the sum of its proper divisors (316052356).

421403132 is a wasteful number, since it uses less digits than its factorization.

421403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105350787 (or 105350785 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 421403132 is about 20528.1059038578. The cubic root of 421403132 is about 749.7202701998.

Adding to 421403132 its reverse (231304124), we get a palindrome (652707256).

The spelling of 421403132 in words is "four hundred twenty-one million, four hundred three thousand, one hundred thirty-two".