100905359 has 4 divisors (see below), whose sum is σ = 101350104. Its totient is φ = 100460616.

The previous prime is 100905331. The next prime is 100905361. The reversal of 100905359 is 953509001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953509001 = 109 ⋅8747789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100905359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100905379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222032 + ... + 222485.

It is an arithmetic number, because the mean of its divisors is an integer number (25337526).

Almost surely, 2^100905359 is an apocalyptic number.

100905359 is a deficient number, since it is larger than the sum of its proper divisors (444745).

100905359 is an equidigital number, since it uses as much as digits as its factorization.

100905359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444744.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 100905359 is about 10045.1659518397. The cubic root of 100905359 is about 465.5554452446. Note that the first 3 decimals are identical.

The spelling of 100905359 in words is "one hundred million, nine hundred five thousand, three hundred fifty-nine".