102040112140 has 48 divisors (see below), whose sum is σ = 217784919744. Its totient is φ = 40154400000.

The previous prime is 102040112117. The next prime is 102040112149. The reversal of 102040112140 is 41211040201.

It is a happy number.

102040112140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102040112149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156265 + ... + 478015.

It is an arithmetic number, because the mean of its divisors is an integer number (4537185828).

Almost surely, 2^102040112140 is an apocalyptic number.

102040112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102040112140 is an abundant number, since it is smaller than the sum of its proper divisors (115744807604).

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

102040112140 is a wasteful number, since it uses less digits than its factorization.

102040112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322018 (or 322016 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102040112140 its reverse (41211040201), we get a palindrome (143251152341).

The spelling of 102040112140 in words is "one hundred two billion, forty million, one hundred twelve thousand, one hundred forty".