140163878913 has 32 divisors (see below), whose sum is σ = 196077383040. Its totient is φ = 88960757760.

The previous prime is 140163878909. The next prime is 140163878923. The reversal of 140163878913 is 319878361041.

It is a happy number.

It is not a de Polignac number, because 140163878913 - 2² = 140163878909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140163878923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5959545 + ... + 5983017.

It is an arithmetic number, because the mean of its divisors is an integer number (6127418220).

Almost surely, 2^140163878913 is an apocalyptic number.

It is an amenable number.

140163878913 is a deficient number, since it is larger than the sum of its proper divisors (55913504127).

140163878913 is a wasteful number, since it uses less digits than its factorization.

140163878913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24689.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 140163878913 in words is "one hundred forty billion, one hundred sixty-three million, eight hundred seventy-eight thousand, nine hundred thirteen".