132400406 has 8 divisors (see below), whose sum is σ = 199030944. Its totient is φ = 66056760.

The previous prime is 132400361. The next prime is 132400427. The reversal of 132400406 is 604004231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 70565 + ... + 72416.

It is an arithmetic number, because the mean of its divisors is an integer number (24878868).

Almost surely, 2^132400406 is an apocalyptic number.

132400406 is a deficient number, since it is larger than the sum of its proper divisors (66630538).

132400406 is a wasteful number, since it uses less digits than its factorization.

132400406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143446.

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

The square root of 132400406 is about 11506.5375330722. The cubic root of 132400406 is about 509.6786467170.

Adding to 132400406 its reverse (604004231), we get a palindrome (736404637).

The spelling of 132400406 in words is "one hundred thirty-two million, four hundred thousand, four hundred six".