1343149 has 4 divisors (see below), whose sum is σ = 1363264. Its totient is φ = 1323036.

The previous prime is 1343113. The next prime is 1343161. The reversal of 1343149 is 9413431.

It is a happy number.

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 1343149 - 2¹¹ = 1341101 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 (1343549) 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, 9957 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (340816).

2^1343149 is an apocalyptic number.

It is an amenable number.

1343149 is a deficient number, since it is larger than the sum of its proper divisors (20115).

1343149 is an equidigital number, since it uses as much as digits as its factorization.

1343149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114.

The product of its digits is 1296, while the sum is 25.

The square root of 1343149 is about 1158.9430529582. The cubic root of 1343149 is about 110.3336700296. Note that the first 3 decimals are identical.

The spelling of 1343149 in words is "one million, three hundred forty-three thousand, one hundred forty-nine".