100299839 has 2 divisors, whose sum is σ = 100299840. Its totient is φ = 100299838.

The previous prime is 100299827. The next prime is 100299853. The reversal of 100299839 is 938992001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100299839 - 2⁸ = 100299583 is a prime.

It is a Chen prime.

It is equal to p_5777780 and since 100299839 and 5777780 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 100299796 and 100299805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100299809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50149919 + 50149920.

It is an arithmetic number, because the mean of its divisors is an integer number (50149920).

Almost surely, 2^100299839 is an apocalyptic number.

100299839 is a deficient number, since it is larger than the sum of its proper divisors (1).

100299839 is an equidigital number, since it uses as much as digits as its factorization.

100299839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 100299839 is about 10014.9807288881. The cubic root of 100299839 is about 464.6223302560.

The spelling of 100299839 in words is "one hundred million, two hundred ninety-nine thousand, eight hundred thirty-nine".