102539433128 has 32 divisors (see below), whose sum is σ = 212693843520. Its totient is φ = 45952368000.

The previous prime is 102539433071. The next prime is 102539433133. The reversal of 102539433128 is 821334935201.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8199533 + ... + 8212028.

It is an arithmetic number, because the mean of its divisors is an integer number (6646682610).

Almost surely, 2^102539433128 is an apocalyptic number.

It is an amenable number.

102539433128 is an abundant number, since it is smaller than the sum of its proper divisors (110154410392).

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

102539433128 is a wasteful number, since it uses less digits than its factorization.

102539433128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411649 (or 16411645 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 102539433128 in words is "one hundred two billion, five hundred thirty-nine million, four hundred thirty-three thousand, one hundred twenty-eight".