1343117879 has 4 divisors (see below), whose sum is σ = 1343364120. Its totient is φ = 1342871640.

The previous prime is 1343117843. The next prime is 1343117903. The reversal of 1343117879 is 9787113431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343117879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343117819) 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, 114749 + ... + 125910.

It is an arithmetic number, because the mean of its divisors is an integer number (335841030).

Almost surely, 2^1343117879 is an apocalyptic number.

1343117879 is a deficient number, since it is larger than the sum of its proper divisors (246241).

1343117879 is an equidigital number, since it uses as much as digits as its factorization.

1343117879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246240.

The product of its digits is 127008, while the sum is 44.

The square root of 1343117879 is about 36648.5726734344. The cubic root of 1343117879 is about 1103.3281787277.

The spelling of 1343117879 in words is "one billion, three hundred forty-three million, one hundred seventeen thousand, eight hundred seventy-nine".