1345140360737 has 4 divisors (see below), whose sum is σ = 1345145918340. Its totient is φ = 1345134803136.

The previous prime is 1345140360719. The next prime is 1345140360749. The reversal of 1345140360737 is 7370630415431.

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 360250843681 + 984889517056 = 600209^2 + 992416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345140360737 - 2⁸ = 1345140360481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345140360637) 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, 2398388 + ... + 2905605.

It is an arithmetic number, because the mean of its divisors is an integer number (336286479585).

Almost surely, 2^{1345140360737} is an apocalyptic number.

It is an amenable number.

1345140360737 is a deficient number, since it is larger than the sum of its proper divisors (5557603).

1345140360737 is an equidigital number, since it uses as much as digits as its factorization.

1345140360737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557602.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 1345140360737 in words is "one trillion, three hundred forty-five billion, one hundred forty million, three hundred sixty thousand, seven hundred thirty-seven".