140680146667 has 4 divisors (see below), whose sum is σ = 140680900360. Its totient is φ = 140679392976.

The previous prime is 140680146643. The next prime is 140680146697. The reversal of 140680146667 is 766641086041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140680146667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140680146667.

It is not an unprimeable number, because it can be changed into a prime (140680146697) 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, 133663 + ... + 547015.

It is an arithmetic number, because the mean of its divisors is an integer number (35170225090).

Almost surely, 2^140680146667 is an apocalyptic number.

140680146667 is a deficient number, since it is larger than the sum of its proper divisors (753693).

140680146667 is an equidigital number, since it uses as much as digits as its factorization.

140680146667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753692.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 140680146667 in words is "one hundred forty billion, six hundred eighty million, one hundred forty-six thousand, six hundred sixty-seven".