100135243 has 8 divisors (see below), whose sum is σ = 110468736. Its totient is φ = 90177600.

The previous prime is 100135241. The next prime is 100135247. The reversal of 100135243 is 342531001.

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 100135243 - 2¹ = 100135241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100135243.

It is not an unprimeable number, because it can be changed into a prime (100135241) 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, 93403 + ... + 94468.

It is an arithmetic number, because the mean of its divisors is an integer number (13808592).

Almost surely, 2^100135243 is an apocalyptic number.

100135243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100135243 is a deficient number, since it is larger than the sum of its proper divisors (10333493).

100135243 is a wasteful number, since it uses less digits than its factorization.

100135243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187925.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 100135243 is about 10006.7598652111. The cubic root of 100135243 is about 464.3680365674.

Adding to 100135243 its reverse (342531001), we get a palindrome (442666244).

The spelling of 100135243 in words is "one hundred million, one hundred thirty-five thousand, two hundred forty-three".