100191093 has 8 divisors (see below), whose sum is σ = 133733856. Its totient is φ = 66721200.

The previous prime is 100191089. The next prime is 100191103. The reversal of 100191093 is 390191001.

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

It is not a de Polignac number, because 100191093 - 2² = 100191089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100191073) 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 7 ways as a sum of consecutive naturals, for example, 14923 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (16716732).

Almost surely, 2^100191093 is an apocalyptic number.

It is an amenable number.

100191093 is a deficient number, since it is larger than the sum of its proper divisors (33542763).

100191093 is an equidigital number, since it uses as much as digits as its factorization.

100191093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36435.

The product of its (nonzero) digits is 243, while the sum is 24.

The square root of 100191093 is about 10009.5500897893. The cubic root of 100191093 is about 464.4543536118.

The spelling of 100191093 in words is "one hundred million, one hundred ninety-one thousand, ninety-three".