140197824 has 168 divisors, whose sum is σ = 449549520. Its totient is φ = 42591744.

The previous prime is 140197817. The next prime is 140197853. The reversal of 140197824 is 428791041.

140197824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1774617 + ... + 1774695.

It is an arithmetic number, because the mean of its divisors is an integer number (2675890).

Almost surely, 2^140197824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140197824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224774760).

140197824 is an abundant number, since it is smaller than the sum of its proper divisors (309351696).

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

140197824 is an equidigital number, since it uses as much as digits as its factorization.

140197824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 140197824 is about 11840.5162049634. The cubic root of 140197824 is about 519.4938664974.

It can be divided in two parts, 1401 and 97824, that added together give a square (99225 = 315²).

The spelling of 140197824 in words is "one hundred forty million, one hundred ninety-seven thousand, eight hundred twenty-four".