140298768 has 60 divisors (see below), whose sum is σ = 394907760. Its totient is φ = 46496448.

The previous prime is 140298757. The next prime is 140298779. The reversal of 140298768 is 867892041.

It is an interprime number because it is at equal distance from previous prime (140298757) and next prime (140298779).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23055 + ... + 28497.

It is an arithmetic number, because the mean of its divisors is an integer number (6581796).

Almost surely, 2^140298768 is an apocalyptic number.

140298768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140298768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197453880).

140298768 is an abundant number, since it is smaller than the sum of its proper divisors (254608992).

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

140298768 is a wasteful number, since it uses less digits than its factorization.

140298768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5627 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 140298768 is about 11844.7780899433. The cubic root of 140298768 is about 519.6185170487.

The spelling of 140298768 in words is "one hundred forty million, two hundred ninety-eight thousand, seven hundred sixty-eight".