100540018 has 8 divisors (see below), whose sum is σ = 150852780. Its totient is φ = 50255760.

The previous prime is 100540009. The next prime is 100540019. The reversal of 100540018 is 810045001.

It can be written as a sum of positive squares in 2 ways, for example, as 90383049 + 10156969 = 9507^2 + 3187^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 100539977 and 100540004.

It is not an unprimeable number, because it can be changed into a prime (100540019) 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, 8928 + ... + 16756.

Almost surely, 2^100540018 is an apocalyptic number.

100540018 is a deficient number, since it is larger than the sum of its proper divisors (50312762).

100540018 is an equidigital number, since it uses as much as digits as its factorization.

100540018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 100540018 is about 10026.9645456639. The cubic root of 100540018 is about 464.9928977217.

Adding to 100540018 its reverse (810045001), we get a palindrome (910585019).

The spelling of 100540018 in words is "one hundred million, five hundred forty thousand, eighteen".