100420143999 has 16 divisors (see below), whose sum is σ = 154864803072. Its totient is φ = 56691577728.

The previous prime is 100420143997. The next prime is 100420144007. The reversal of 100420143999 is 999341024001.

It is not a de Polignac number, because 100420143999 - 2¹ = 100420143997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100420143999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420143997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28804954 + ... + 28808439.

It is an arithmetic number, because the mean of its divisors is an integer number (9679050192).

Almost surely, 2^100420143999 is an apocalyptic number.

100420143999 is a deficient number, since it is larger than the sum of its proper divisors (54444659073).

100420143999 is an equidigital number, since it uses as much as digits as its factorization.

100420143999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57613486.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 100420143999 in words is "one hundred billion, four hundred twenty million, one hundred forty-three thousand, nine hundred ninety-nine".