102143734805 has 16 divisors (see below), whose sum is σ = 143499492864. Its totient is φ = 68333089920.

The previous prime is 102143734801. The next prime is 102143734829. The reversal of 102143734805 is 508437341201.

It is not a de Polignac number, because 102143734805 - 2² = 102143734801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143734801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35588717 + ... + 35591586.

It is an arithmetic number, because the mean of its divisors is an integer number (8968718304).

Almost surely, 2^102143734805 is an apocalyptic number.

It is an amenable number.

102143734805 is a deficient number, since it is larger than the sum of its proper divisors (41355758059).

102143734805 is an equidigital number, since it uses as much as digits as its factorization.

102143734805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71180356.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 102143734805 in words is "one hundred two billion, one hundred forty-three million, seven hundred thirty-four thousand, eight hundred five".