140211142 has 4 divisors (see below), whose sum is σ = 210316716. Its totient is φ = 70105570.

The previous prime is 140211083. The next prime is 140211157. The reversal of 140211142 is 241112041.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35052784 + ... + 35052787.

It is an arithmetic number, because the mean of its divisors is an integer number (52579179).

Almost surely, 2^140211142 is an apocalyptic number.

140211142 is a deficient number, since it is larger than the sum of its proper divisors (70105574).

140211142 is an equidigital number, since it uses as much as digits as its factorization.

140211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70105573.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140211142 is about 11841.0785826292. The cubic root of 140211142 is about 519.5103156359.

Adding to 140211142 its reverse (241112041), we get a palindrome (381323183).

It can be divided in two parts, 1402 and 11142, that added together give a square (12544 = 112²).

The spelling of 140211142 in words is "one hundred forty million, two hundred eleven thousand, one hundred forty-two".