140130242 has 16 divisors (see below), whose sum is σ = 240377280. Its totient is φ = 60017328.

The previous prime is 140130239. The next prime is 140130247. The reversal of 140130242 is 242031041.

It is a self number, because there is not a number n which added to its sum of digits gives 140130242.

It is not an unprimeable number, because it can be changed into a prime (140130247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35609 + ... + 39347.

It is an arithmetic number, because the mean of its divisors is an integer number (15023580).

Almost surely, 2^140130242 is an apocalyptic number.

140130242 is a deficient number, since it is larger than the sum of its proper divisors (100247038).

140130242 is a wasteful number, since it uses less digits than its factorization.

140130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140130242 is about 11837.6620157867. The cubic root of 140130242 is about 519.4103795209.

Adding to 140130242 its reverse (242031041), we get a palindrome (382161283).

The spelling of 140130242 in words is "one hundred forty million, one hundred thirty thousand, two hundred forty-two".