140315344 has 40 divisors (see below), whose sum is σ = 296816072. Its totient is φ = 63866880.

The previous prime is 140315339. The next prime is 140315389. The reversal of 140315344 is 443513041.

It can be written as a sum of positive squares in 4 ways, for example, as 41113744 + 99201600 = 6412^2 + 9960^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10564 + ... + 19804.

Almost surely, 2^140315344 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 140315344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148408036).

140315344 is an abundant number, since it is smaller than the sum of its proper divisors (156500728).

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

140315344 is a wasteful number, since it uses less digits than its factorization.

140315344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335 (or 9329 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140315344 is about 11845.4777869025. The cubic root of 140315344 is about 519.6389801824.

Adding to 140315344 its reverse (443513041), we get a palindrome (583828385).

The spelling of 140315344 in words is "one hundred forty million, three hundred fifteen thousand, three hundred forty-four".