140028968 has 64 divisors (see below), whose sum is σ = 284135040. Its totient is φ = 64539904.

The previous prime is 140028961. The next prime is 140028989. The reversal of 140028968 is 869820041.

140028968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140028968² = 39216223758290048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140028961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809330 + ... + 809502.

It is an arithmetic number, because the mean of its divisors is an integer number (4439610).

Almost surely, 2^140028968 is an apocalyptic number.

It is an amenable number.

140028968 is an abundant number, since it is smaller than the sum of its proper divisors (144106072).

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

140028968 is a wasteful number, since it uses less digits than its factorization.

140028968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 140028968 is about 11833.3836243063. The cubic root of 140028968 is about 519.2852210889.

The spelling of 140028968 in words is "one hundred forty million, twenty-eight thousand, nine hundred sixty-eight".