140562163641 has 4 divisors (see below), whose sum is σ = 187416218192. Its totient is φ = 93708109092.

The previous prime is 140562163607. The next prime is 140562163681. The reversal of 140562163641 is 146361265041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140562163641 - 2²⁷ = 140427945913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140562163641.

It is not an unprimeable number, because it can be changed into a prime (140562163681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23427027271 + ... + 23427027276.

It is an arithmetic number, because the mean of its divisors is an integer number (46854054548).

Almost surely, 2^140562163641 is an apocalyptic number.

It is an amenable number.

140562163641 is a deficient number, since it is larger than the sum of its proper divisors (46854054551).

140562163641 is an equidigital number, since it uses as much as digits as its factorization.

140562163641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46854054550.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 140562163641 in words is "one hundred forty billion, five hundred sixty-two million, one hundred sixty-three thousand, six hundred forty-one".