102109040732 has 12 divisors (see below), whose sum is σ = 178693130616. Its totient is φ = 51053860560.

The previous prime is 102109040729. The next prime is 102109040749. The reversal of 102109040732 is 237040901201.

It is a junction number, because it is equal to n+sod(n) for n = 102109040695 and 102109040704.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 392783 + ... + 598745.

It is an arithmetic number, because the mean of its divisors is an integer number (14891094218).

Almost surely, 2^102109040732 is an apocalyptic number.

It is an amenable number.

102109040732 is a deficient number, since it is larger than the sum of its proper divisors (76584089884).

102109040732 is a wasteful number, since it uses less digits than its factorization.

102109040732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329908 (or 329906 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 102109040732 its reverse (237040901201), we get a palindrome (339149941933).

The spelling of 102109040732 in words is "one hundred two billion, one hundred nine million, forty thousand, seven hundred thirty-two".