100189019 has 8 divisors (see below), whose sum is σ = 114766080. Its totient is φ = 85678056.

The previous prime is 100189013. The next prime is 100189043. The reversal of 100189019 is 910981001.

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

It is a cyclic number.

It is not a de Polignac number, because 100189019 - 2⁴ = 100189003 is a prime.

It is a super-2 number, since 2×100189019² = 20075679056364722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100188982 and 100189000.

It is not an unprimeable number, because it can be changed into a prime (100189013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13229 + ... + 19374.

It is an arithmetic number, because the mean of its divisors is an integer number (14345760).

Almost surely, 2^100189019 is an apocalyptic number.

100189019 is a deficient number, since it is larger than the sum of its proper divisors (14577061).

100189019 is an equidigital number, since it uses as much as digits as its factorization.

100189019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33049.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 100189019 is about 10009.4464881930. The cubic root of 100189019 is about 464.4511487861.

The spelling of 100189019 in words is "one hundred million, one hundred eighty-nine thousand, nineteen".