1340045643113 has 4 divisors (see below), whose sum is σ = 1351904454228. Its totient is φ = 1328186832000.

The previous prime is 1340045643107. The next prime is 1340045643193. The reversal of 1340045643113 is 3113465400431.

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 45008471104 + 1295037172009 = 212152^2 + 1137997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340045643113 - 2²⁴ = 1340028865897 is a prime.

It is a super-2 number, since 2×1340045643113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340045643193) 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, 5929405388 + ... + 5929405613.

It is an arithmetic number, because the mean of its divisors is an integer number (337976113557).

Almost surely, 2^{1340045643113} is an apocalyptic number.

It is an amenable number.

1340045643113 is a deficient number, since it is larger than the sum of its proper divisors (11858811115).

1340045643113 is a wasteful number, since it uses less digits than its factorization.

1340045643113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11858811114.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 1340045643113 in words is "one trillion, three hundred forty billion, forty-five million, six hundred forty-three thousand, one hundred thirteen".