140668340126 has 8 divisors (see below), whose sum is σ = 211004493264. Its totient is φ = 70333509040.

The previous prime is 140668340123. The next prime is 140668340159. The reversal of 140668340126 is 621043866041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140668340123) 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 in 3 ways as a sum of consecutive naturals, for example, 2666 + ... + 530418.

It is an arithmetic number, because the mean of its divisors is an integer number (26375561658).

Almost surely, 2^140668340126 is an apocalyptic number.

140668340126 is a deficient number, since it is larger than the sum of its proper divisors (70336153138).

140668340126 is a wasteful number, since it uses less digits than its factorization.

140668340126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661026.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 140668340126 in words is "one hundred forty billion, six hundred sixty-eight million, three hundred forty thousand, one hundred twenty-six".