140263644605 has 16 divisors (see below), whose sum is σ = 192968403840. Its totient is φ = 95877367872.

The previous prime is 140263644601. The next prime is 140263644617. The reversal of 140263644605 is 506446362041.

It is a cyclic number.

It is not a de Polignac number, because 140263644605 - 2² = 140263644601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140263644601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309935 + ... + 6332124.

It is an arithmetic number, because the mean of its divisors is an integer number (12060525240).

Almost surely, 2^140263644605 is an apocalyptic number.

It is an amenable number.

140263644605 is a deficient number, since it is larger than the sum of its proper divisors (52704759235).

140263644605 is a wasteful number, since it uses less digits than its factorization.

140263644605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642388.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 140263644605 in words is "one hundred forty billion, two hundred sixty-three million, six hundred forty-four thousand, six hundred five".