140195028 has 24 divisors (see below), whose sum is σ = 341345088. Its totient is φ = 44699776.

The previous prime is 140195023. The next prime is 140195047. The reversal of 140195028 is 820591041.

It is a happy number.

140195028 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 = 140194986 and 140195004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140195023) 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 7 ways as a sum of consecutive naturals, for example, 253701 + ... + 254252.

It is an arithmetic number, because the mean of its divisors is an integer number (14222712).

Almost surely, 2^140195028 is an apocalyptic number.

It is an amenable number.

140195028 is an abundant number, since it is smaller than the sum of its proper divisors (201150060).

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

140195028 is a wasteful number, since it uses less digits than its factorization.

140195028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507983 (or 507981 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 140195028 is about 11840.3981351980. The cubic root of 140195028 is about 519.4904130094.

The spelling of 140195028 in words is "one hundred forty million, one hundred ninety-five thousand, twenty-eight".