102543134140 has 48 divisors (see below), whose sum is σ = 227492848800. Its totient is φ = 38718127872.

The previous prime is 102543134129. The next prime is 102543134143. The reversal of 102543134140 is 41431345201.

It is a junction number, because it is equal to n+sod(n) for n = 102543134099 and 102543134108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102543134143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381835 + ... + 592354.

It is an arithmetic number, because the mean of its divisors is an integer number (4739434350).

Almost surely, 2^102543134140 is an apocalyptic number.

102543134140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102543134140 is an abundant number, since it is smaller than the sum of its proper divisors (124949714660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102543134140 is a wasteful number, since it uses less digits than its factorization.

102543134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974494 (or 974492 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 102543134140 its reverse (41431345201), we get a palindrome (143974479341).

The spelling of 102543134140 in words is "one hundred two billion, five hundred forty-three million, one hundred thirty-four thousand, one hundred forty".