140312351422 has 4 divisors (see below), whose sum is σ = 210468527136. Its totient is φ = 70156175710.

The previous prime is 140312351353. The next prime is 140312351447. The reversal of 140312351422 is 224153213041.

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 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, 35078087854 + ... + 35078087857.

It is an arithmetic number, because the mean of its divisors is an integer number (52617131784).

Almost surely, 2^140312351422 is an apocalyptic number.

140312351422 is a deficient number, since it is larger than the sum of its proper divisors (70156175714).

140312351422 is an equidigital number, since it uses as much as digits as its factorization.

140312351422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70156175713.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 140312351422 its reverse (224153213041), we get a palindrome (364465564463).

The spelling of 140312351422 in words is "one hundred forty billion, three hundred twelve million, three hundred fifty-one thousand, four hundred twenty-two".