1343040652 has 48 divisors (see below), whose sum is σ = 2505932800. Its totient is φ = 628689600.

The previous prime is 1343040637. The next prime is 1343040653. The reversal of 1343040652 is 2560403431.

It is a self number, because there is not a number n which added to its sum of digits gives 1343040652.

It is not an unprimeable number, because it can be changed into a prime (1343040653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912277 + ... + 913747.

Almost surely, 2^1343040652 is an apocalyptic number.

It is an amenable number.

1343040652 is a deficient number, since it is larger than the sum of its proper divisors (1162892148).

1343040652 is a wasteful number, since it uses less digits than its factorization.

1343040652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1343040652 is about 36647.5190429038. The cubic root of 1343040652 is about 1103.3070318227.

The spelling of 1343040652 in words is "one billion, three hundred forty-three million, forty thousand, six hundred fifty-two".