140169683109485 has 4 divisors (see below), whose sum is σ = 168203619731388. Its totient is φ = 112135746487584.

The previous prime is 140169683109479. The next prime is 140169683109523. The reversal of 140169683109485 is 584901386961041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58051035289129 + 82118647820356 = 7619123^2 + 9061934^2 .

It is a cyclic number.

It is not a de Polignac number, because 140169683109485 - 2¹⁴ = 140169683093101 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14016968310944 + ... + 14016968310953.

It is an arithmetic number, because the mean of its divisors is an integer number (42050904932847).

Almost surely, 2^{140169683109485} is an apocalyptic number.

It is an amenable number.

140169683109485 is a deficient number, since it is larger than the sum of its proper divisors (28033936621903).

140169683109485 is an equidigital number, since it uses as much as digits as its factorization.

140169683109485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28033936621902.

The product of its (nonzero) digits is 44789760, while the sum is 65.

The spelling of 140169683109485 in words is "one hundred forty trillion, one hundred sixty-nine billion, six hundred eighty-three million, one hundred nine thousand, four hundred eighty-five".