140240668777426 has 32 divisors (see below), whose sum is σ = 243821490232320. Its totient is φ = 59251073456400.

The previous prime is 140240668777411. The next prime is 140240668777441. The reversal of 140240668777426 is 624777866042041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140240668777411) and next prime (140240668777441).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4028445 + ... + 17225263.

It is an arithmetic number, because the mean of its divisors is an integer number (7619421569760).

Almost surely, 2^{140240668777426} is an apocalyptic number.

140240668777426 is a deficient number, since it is larger than the sum of its proper divisors (103580821454894).

140240668777426 is a wasteful number, since it uses less digits than its factorization.

140240668777426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207590.

The product of its (nonzero) digits is 151732224, while the sum is 64.

The spelling of 140240668777426 in words is "one hundred forty trillion, two hundred forty billion, six hundred sixty-eight million, seven hundred seventy-seven thousand, four hundred twenty-six".