1343868837 has 4 divisors (see below), whose sum is σ = 1791825120. Its totient is φ = 895912556.

The previous prime is 1343868821. The next prime is 1343868839. The reversal of 1343868837 is 7388683431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1343868837 - 2⁴ = 1343868821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1343868837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343868839) 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, 223978137 + ... + 223978142.

It is an arithmetic number, because the mean of its divisors is an integer number (447956280).

Almost surely, 2^1343868837 is an apocalyptic number.

It is an amenable number.

1343868837 is a deficient number, since it is larger than the sum of its proper divisors (447956283).

1343868837 is an equidigital number, since it uses as much as digits as its factorization.

1343868837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447956282.

The product of its digits is 2322432, while the sum is 51.

The square root of 1343868837 is about 36658.8166339286. The cubic root of 1343868837 is about 1103.5337697048.

The spelling of 1343868837 in words is "one billion, three hundred forty-three million, eight hundred sixty-eight thousand, eight hundred thirty-seven".