405214132 has 12 divisors (see below), whose sum is σ = 710773056. Its totient is φ = 202136120.

The previous prime is 405214127. The next prime is 405214141. The reversal of 405214132 is 231412504.

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, 115798 + ... + 119245.

It is an arithmetic number, because the mean of its divisors is an integer number (59231088).

Almost surely, 2^405214132 is an apocalyptic number.

It is an amenable number.

405214132 is a deficient number, since it is larger than the sum of its proper divisors (305558924).

405214132 is a wasteful number, since it uses less digits than its factorization.

405214132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235478 (or 235476 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 405214132 is about 20129.9312467778. The cubic root of 405214132 is about 739.9939931336.

Adding to 405214132 its reverse (231412504), we get a palindrome (636626636).

The spelling of 405214132 in words is "four hundred five million, two hundred fourteen thousand, one hundred thirty-two".