140561206315 has 4 divisors (see below), whose sum is σ = 168673447584. Its totient is φ = 112448965048.

The previous prime is 140561206273. The next prime is 140561206337. The reversal of 140561206315 is 513602165041.

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

It is a cyclic number.

It is not a de Polignac number, because 140561206315 - 2⁷ = 140561206187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14056120627 + ... + 14056120636.

It is an arithmetic number, because the mean of its divisors is an integer number (42168361896).

Almost surely, 2^140561206315 is an apocalyptic number.

140561206315 is a deficient number, since it is larger than the sum of its proper divisors (28112241269).

140561206315 is an equidigital number, since it uses as much as digits as its factorization.

140561206315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112241268.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 140561206315 in words is "one hundred forty billion, five hundred sixty-one million, two hundred six thousand, three hundred fifteen".