140564602345 has 4 divisors (see below), whose sum is σ = 168677522820. Its totient is φ = 112451681872.

The previous prime is 140564602319. The next prime is 140564602349. The reversal of 140564602345 is 543206465041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543206465041 = 17 ⋅31953321473.

It can be written as a sum of positive squares in 2 ways, for example, as 54607744489 + 85956857856 = 233683^2 + 293184^2 .

It is a cyclic number.

It is not a de Polignac number, because 140564602345 - 2⁹ = 140564601833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140564602298 and 140564602307.

It is not an unprimeable number, because it can be changed into a prime (140564602349) 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, 14056460230 + ... + 14056460239.

It is an arithmetic number, because the mean of its divisors is an integer number (42169380705).

Almost surely, 2^140564602345 is an apocalyptic number.

It is an amenable number.

140564602345 is a deficient number, since it is larger than the sum of its proper divisors (28112920475).

140564602345 is an equidigital number, since it uses as much as digits as its factorization.

140564602345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28112920474.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 140564602345 in words is "one hundred forty billion, five hundred sixty-four million, six hundred two thousand, three hundred forty-five".