140313242 has 8 divisors (see below), whose sum is σ = 211230516. Its totient is φ = 69903072.

The previous prime is 140313211. The next prime is 140313247. The reversal of 140313242 is 242313041.

It can be written as a sum of positive squares in 2 ways, for example, as 140161921 + 151321 = 11839^2 + 389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140313247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 126083 + ... + 127190.

Almost surely, 2^140313242 is an apocalyptic number.

140313242 is a deficient number, since it is larger than the sum of its proper divisors (70917274).

140313242 is a wasteful number, since it uses less digits than its factorization.

140313242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253552.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140313242 is about 11845.3890607274. The cubic root of 140313242 is about 519.6363853448.

Adding to 140313242 its reverse (242313041), we get a palindrome (382626283).

The spelling of 140313242 in words is "one hundred forty million, three hundred thirteen thousand, two hundred forty-two".