1343642834 has 8 divisors (see below), whose sum is σ = 2025695628. Its totient is φ = 668410960.

The previous prime is 1343642831. The next prime is 1343642843. The reversal of 1343642834 is 4382463431.

It can be written as a sum of positive squares in 2 ways, for example, as 1117230625 + 226412209 = 33425^2 + 15047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1343642831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704737 + ... + 1705524.

Almost surely, 2^1343642834 is an apocalyptic number.

1343642834 is a deficient number, since it is larger than the sum of its proper divisors (682052794).

1343642834 is a wasteful number, since it uses less digits than its factorization.

1343642834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410460.

The product of its digits is 165888, while the sum is 38.

The square root of 1343642834 is about 36655.7339852853. The cubic root of 1343642834 is about 1103.4719045590.

The spelling of 1343642834 in words is "one billion, three hundred forty-three million, six hundred forty-two thousand, eight hundred thirty-four".