140515563 has 4 divisors (see below), whose sum is σ = 187354088. Its totient is φ = 93677040.

The previous prime is 140515519. The next prime is 140515577. The reversal of 140515563 is 365515041.

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

It is not a de Polignac number, because 140515563 - 2⁶ = 140515499 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 140515563.

It is not an unprimeable number, because it can be changed into a prime (140515663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23419258 + ... + 23419263.

It is an arithmetic number, because the mean of its divisors is an integer number (46838522).

Almost surely, 2^140515563 is an apocalyptic number.

140515563 is a deficient number, since it is larger than the sum of its proper divisors (46838525).

140515563 is an equidigital number, since it uses as much as digits as its factorization.

140515563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46838524.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 140515563 is about 11853.9260584837. The cubic root of 140515563 is about 519.8860240832.

The spelling of 140515563 in words is "one hundred forty million, five hundred fifteen thousand, five hundred sixty-three".