1343391146 has 4 divisors (see below), whose sum is σ = 2015086722. Its totient is φ = 671695572.

The previous prime is 1343391139. The next prime is 1343391151. The reversal of 1343391146 is 6411933431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6411933431 = 719 ⋅8917849.

It can be written as a sum of positive squares in only one way, i.e., 1179166921 + 164224225 = 34339^2 + 12815^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 335847785 + ... + 335847788.

Almost surely, 2^1343391146 is an apocalyptic number.

1343391146 is a deficient number, since it is larger than the sum of its proper divisors (671695576).

1343391146 is an equidigital number, since it uses as much as digits as its factorization.

1343391146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671695575.

The product of its digits is 23328, while the sum is 35.

The square root of 1343391146 is about 36652.3006917710. The cubic root of 1343391146 is about 1103.4030003401.

The spelling of 1343391146 in words is "one billion, three hundred forty-three million, three hundred ninety-one thousand, one hundred forty-six".