140645063405 has 16 divisors (see below), whose sum is σ = 210419627904. Its totient is φ = 87674844480.

The previous prime is 140645063381. The next prime is 140645063407. The reversal of 140645063405 is 504360546041.

It is not a de Polignac number, because 140645063405 - 2¹² = 140645059309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140645063407) 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, 182655542 + ... + 182656311.

It is an arithmetic number, because the mean of its divisors is an integer number (13151226744).

Almost surely, 2^140645063405 is an apocalyptic number.

It is an amenable number.

140645063405 is a deficient number, since it is larger than the sum of its proper divisors (69774564499).

140645063405 is a wasteful number, since it uses less digits than its factorization.

140645063405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365311876.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 140645063405 in words is "one hundred forty billion, six hundred forty-five million, sixty-three thousand, four hundred five".