140146563 has 4 divisors (see below), whose sum is σ = 186862088. Its totient is φ = 93431040.

The previous prime is 140146537. The next prime is 140146577. The reversal of 140146563 is 365641041.

140146563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140146563 - 2⁶ = 140146499 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 140146563.

It is not an unprimeable number, because it can be changed into a prime (140146163) 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, 23357758 + ... + 23357763.

It is an arithmetic number, because the mean of its divisors is an integer number (46715522).

Almost surely, 2^140146563 is an apocalyptic number.

140146563 is a deficient number, since it is larger than the sum of its proper divisors (46715525).

140146563 is an equidigital number, since it uses as much as digits as its factorization.

140146563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46715524.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140146563 is about 11838.3513632600. The cubic root of 140146563 is about 519.4305440183.

The spelling of 140146563 in words is "one hundred forty million, one hundred forty-six thousand, five hundred sixty-three".