400132 has 12 divisors (see below), whose sum is σ = 705600. Its totient is φ = 198536.

The previous prime is 400123. The next prime is 400151. The reversal of 400132 is 231004.

It is an Ulam number.

400132 is a modest number, since divided by 132 gives 40 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2⁴⁰⁰¹³² is an apocalyptic number.

It is an amenable number.

400132 is a deficient number, since it is larger than the sum of its proper divisors (305468).

400132 is a wasteful number, since it uses less digits than its factorization.

400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 400132 is about 632.5598785886. The cubic root of 400132 is about 73.6887339507.

Adding to 400132 its reverse (231004), we get a palindrome (631136).

The spelling of 400132 in words is "four hundred thousand, one hundred thirty-two".