100133432 has 16 divisors (see below), whose sum is σ = 214571760. Its totient is φ = 42914304.

The previous prime is 100133431. The next prime is 100133459. The reversal of 100133432 is 234331001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100133432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100133431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893993 + ... + 894104.

It is an arithmetic number, because the mean of its divisors is an integer number (13410735).

Almost surely, 2^100133432 is an apocalyptic number.

It is an amenable number.

100133432 is an abundant number, since it is smaller than the sum of its proper divisors (114438328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100133432 is a wasteful number, since it uses less digits than its factorization.

100133432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788110 (or 1788106 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 100133432 is about 10006.6693759712. The cubic root of 100133432 is about 464.3652371016.

Adding to 100133432 its reverse (234331001), we get a palindrome (334464433).

The spelling of 100133432 in words is "one hundred million, one hundred thirty-three thousand, four hundred thirty-two".