140802728 has 32 divisors (see below), whose sum is σ = 288567360. Its totient is φ = 63876480.

The previous prime is 140802719. The next prime is 140802731. The reversal of 140802728 is 827208041.

140802728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140802694 and 140802703.

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, 55700 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (9017730).

Almost surely, 2^140802728 is an apocalyptic number.

It is an amenable number.

140802728 is an abundant number, since it is smaller than the sum of its proper divisors (147764632).

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

140802728 is a wasteful number, since it uses less digits than its factorization.

140802728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 140802728 is about 11866.0325298728. The cubic root of 140802728 is about 520.2399385801.

The spelling of 140802728 in words is "one hundred forty million, eight hundred two thousand, seven hundred twenty-eight".