140315240 has 64 divisors (see below), whose sum is σ = 342437760. Its totient is φ = 51436800.

The previous prime is 140315239. The next prime is 140315251. The reversal of 140315240 is 42513041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77627 + ... + 79413.

It is an arithmetic number, because the mean of its divisors is an integer number (5350590).

Almost surely, 2^140315240 is an apocalyptic number.

140315240 is a gapful number since it is divisible by the number (10) 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 140315240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171218880).

140315240 is an abundant number, since it is smaller than the sum of its proper divisors (202122520).

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

140315240 is a wasteful number, since it uses less digits than its factorization.

140315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140315240 is about 11845.4733970407. The cubic root of 140315240 is about 519.6388517990.

Adding to 140315240 its reverse (42513041), we get a palindrome (182828281).

The spelling of 140315240 in words is "one hundred forty million, three hundred fifteen thousand, two hundred forty".