140565223641 has 8 divisors (see below), whose sum is σ = 188467339680. Its totient is φ = 93186628352.

The previous prime is 140565223609. The next prime is 140565223651. The reversal of 140565223641 is 146322565041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140565223641 - 2⁵ = 140565223609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140565223641.

It is not an unprimeable number, because it can be changed into a prime (140565223651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130879560 + ... + 130880633.

It is an arithmetic number, because the mean of its divisors is an integer number (23558417460).

Almost surely, 2^140565223641 is an apocalyptic number.

It is an amenable number.

140565223641 is a deficient number, since it is larger than the sum of its proper divisors (47902116039).

140565223641 is a wasteful number, since it uses less digits than its factorization.

140565223641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261760375.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 140565223641 its reverse (146322565041), we get a palindrome (286887788682).

The spelling of 140565223641 in words is "one hundred forty billion, five hundred sixty-five million, two hundred twenty-three thousand, six hundred forty-one".