140500142 has 4 divisors (see below), whose sum is σ = 210750216. Its totient is φ = 70250070.

The previous prime is 140500111. The next prime is 140500147. The reversal of 140500142 is 241005041.

140500142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140500142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140500147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35125034 + ... + 35125037.

It is an arithmetic number, because the mean of its divisors is an integer number (52687554).

Almost surely, 2^140500142 is an apocalyptic number.

140500142 is a deficient number, since it is larger than the sum of its proper divisors (70250074).

140500142 is an equidigital number, since it uses as much as digits as its factorization.

140500142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70250073.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140500142 is about 11853.2755810367. The cubic root of 140500142 is about 519.8670049428.

Adding to 140500142 its reverse (241005041), we get a palindrome (381505183).

The spelling of 140500142 in words is "one hundred forty million, five hundred thousand, one hundred forty-two".