100140021343 has 4 divisors (see below), whose sum is σ = 100291519768. Its totient is φ = 99988522920.

The previous prime is 100140021269. The next prime is 100140021413. The reversal of 100140021343 is 343120041001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100140021343 - 2⁹ = 100140020831 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 100140021343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140021743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75748221 + ... + 75749542.

It is an arithmetic number, because the mean of its divisors is an integer number (25072879942).

Almost surely, 2^100140021343 is an apocalyptic number.

100140021343 is a deficient number, since it is larger than the sum of its proper divisors (151498425).

100140021343 is an equidigital number, since it uses as much as digits as its factorization.

100140021343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151498424.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100140021343 its reverse (343120041001), we get a palindrome (443260062344).

The spelling of 100140021343 in words is "one hundred billion, one hundred forty million, twenty-one thousand, three hundred forty-three".