43400132 has 6 divisors (see below), whose sum is σ = 75950238. Its totient is φ = 21700064.

The previous prime is 43400131. The next prime is 43400141. The reversal of 43400132 is 23100434.

43400132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43349056 + 51076 = 6584^2 + 226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43400132.

It is not an unprimeable number, because it can be changed into a prime (43400131) by changing a digit.

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 as a sum of consecutive naturals, namely, 5425013 + ... + 5425020.

It is an arithmetic number, because the mean of its divisors is an integer number (12658373).

Almost surely, 2^43400132 is an apocalyptic number.

It is an amenable number.

43400132 is a deficient number, since it is larger than the sum of its proper divisors (32550106).

43400132 is a wasteful number, since it uses less digits than its factorization.

43400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850037 (or 10850035 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43400132 is about 6587.8776552088. The cubic root of 43400132 is about 351.4231361507.

Adding to 43400132 its reverse (23100434), we get a palindrome (66500566).

The spelling of 43400132 in words is "forty-three million, four hundred thousand, one hundred thirty-two".