1343397279 has 12 divisors (see below), whose sum is σ = 2083636824. Its totient is φ = 767655504.

The previous prime is 1343397277. The next prime is 1343397301. The reversal of 1343397279 is 9727933431.

It is not a de Polignac number, because 1343397279 - 2¹ = 1343397277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343397277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4569232 + ... + 4569525.

It is an arithmetic number, because the mean of its divisors is an integer number (173636402).

Almost surely, 2^1343397279 is an apocalyptic number.

1343397279 is a deficient number, since it is larger than the sum of its proper divisors (740239545).

1343397279 is an equidigital number, since it uses as much as digits as its factorization.

1343397279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9138774 (or 9138767 counting only the distinct ones).

The product of its digits is 857304, while the sum is 48.

The square root of 1343397279 is about 36652.3843562735. The cubic root of 1343397279 is about 1103.4046794639.

The spelling of 1343397279 in words is "one billion, three hundred forty-three million, three hundred ninety-seven thousand, two hundred seventy-nine".