140807566513 has 4 divisors (see below), whose sum is σ = 140809644148. Its totient is φ = 140805488880.

The previous prime is 140807566499. The next prime is 140807566579. The reversal of 140807566513 is 315665708041.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68033332224 + 72774234289 = 260832^2 + 269767^2 .

It is a cyclic number.

It is not a de Polignac number, because 140807566513 - 2²⁵ = 140774012081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140807566213) 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, 933606 + ... + 1073887.

It is an arithmetic number, because the mean of its divisors is an integer number (35202411037).

Almost surely, 2^140807566513 is an apocalyptic number.

It is an amenable number.

140807566513 is a deficient number, since it is larger than the sum of its proper divisors (2077635).

140807566513 is an equidigital number, since it uses as much as digits as its factorization.

140807566513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077634.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 140807566513 in words is "one hundred forty billion, eight hundred seven million, five hundred sixty-six thousand, five hundred thirteen".