140563415 has 4 divisors (see below), whose sum is σ = 168676104. Its totient is φ = 112450728.

The previous prime is 140563391. The next prime is 140563421. The reversal of 140563415 is 514365041.

It is a happy number.

140563415 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, and also an emirpimes, since its reverse is a distinct semiprime: 514365041 = 151 ⋅3406391.

It is a cyclic number.

It is not a de Polignac number, because 140563415 - 2²² = 136369111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14056337 + ... + 14056346.

It is an arithmetic number, because the mean of its divisors is an integer number (42169026).

Almost surely, 2^140563415 is an apocalyptic number.

140563415 is a deficient number, since it is larger than the sum of its proper divisors (28112689).

140563415 is an equidigital number, since it uses as much as digits as its factorization.

140563415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28112688.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 140563415 is about 11855.9442896802. The cubic root of 140563415 is about 519.9450324047.

It can be divided in two parts, 14056 and 3415, that added together give a palindrome (17471).

The spelling of 140563415 in words is "one hundred forty million, five hundred sixty-three thousand, four hundred fifteen".