140298312 has 192 divisors, whose sum is σ = 457574400. Its totient is φ = 34819200.

The previous prime is 140298289. The next prime is 140298373. The reversal of 140298312 is 213892041.

It is a self number, because there is not a number n which added to its sum of digits gives 140298312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1775889 + ... + 1775967.

It is an arithmetic number, because the mean of its divisors is an integer number (2383200).

Almost surely, 2^140298312 is an apocalyptic number.

140298312 is a gapful number since it is divisible by the number (12) 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 140298312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228787200).

140298312 is an abundant number, since it is smaller than the sum of its proper divisors (317276088).

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

140298312 is a wasteful number, since it uses less digits than its factorization.

140298312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 140298312 is about 11844.7588409389. The cubic root of 140298312 is about 519.6179540922.

The spelling of 140298312 in words is "one hundred forty million, two hundred ninety-eight thousand, three hundred twelve".