1343688741 has 6 divisors (see below), whose sum is σ = 1940883750. Its totient is φ = 895792488.

The previous prime is 1343688713. The next prime is 1343688757. The reversal of 1343688741 is 1478863431.

It can be written as a sum of positive squares in only one way, i.e., 754655841 + 589032900 = 27471^2 + 24270^2 .

It is not a de Polignac number, because 1343688741 - 2¹⁰ = 1343687717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343688641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74649366 + ... + 74649383.

It is an arithmetic number, because the mean of its divisors is an integer number (323480625).

Almost surely, 2^1343688741 is an apocalyptic number.

It is an amenable number.

1343688741 is a deficient number, since it is larger than the sum of its proper divisors (597195009).

1343688741 is a wasteful number, since it uses less digits than its factorization.

1343688741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149298755 (or 149298752 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1343688741 is about 36656.3601711899. The cubic root of 1343688741 is about 1103.4844715166.

The spelling of 1343688741 in words is "one billion, three hundred forty-three million, six hundred eighty-eight thousand, seven hundred forty-one".