139905560341 has 4 divisors (see below), whose sum is σ = 140257967692. Its totient is φ = 139553152992.

The previous prime is 139905560339. The next prime is 139905560351. The reversal of 139905560341 is 143065509931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143065509931 = 307 ⋅466011433.

It can be written as a sum of positive squares in 2 ways, for example, as 73727997841 + 66177562500 = 271529^2 + 257250^2 .

It is a cyclic number.

It is not a de Polignac number, because 139905560341 - 2¹ = 139905560339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139905560291 and 139905560300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139905560351) 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, 176203080 + ... + 176203873.

It is an arithmetic number, because the mean of its divisors is an integer number (35064491923).

Almost surely, 2^139905560341 is an apocalyptic number.

It is an amenable number.

139905560341 is a deficient number, since it is larger than the sum of its proper divisors (352407351).

139905560341 is an equidigital number, since it uses as much as digits as its factorization.

139905560341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352407350.

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 139905560341 in words is "one hundred thirty-nine billion, nine hundred five million, five hundred sixty thousand, three hundred forty-one".