100439532 has 36 divisors (see below), whose sum is σ = 257373480. Its totient is φ = 33020352.

The previous prime is 100439531. The next prime is 100439569. The reversal of 100439532 is 235934001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 100439496 and 100439505.

It is not an unprimeable number, because it can be changed into a prime (100439531) 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 11 ways as a sum of consecutive naturals, for example, 16482 + ... + 21737.

Almost surely, 2^100439532 is an apocalyptic number.

100439532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100439532 is an abundant number, since it is smaller than the sum of its proper divisors (156933948).

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

100439532 is a wasteful number, since it uses less digits than its factorization.

100439532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38302 (or 38297 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 100439532 is about 10021.9525043776. The cubic root of 100439532 is about 464.8379317270.

The spelling of 100439532 in words is "one hundred million, four hundred thirty-nine thousand, five hundred thirty-two".