1343139 has 12 divisors (see below), whose sum is σ = 2083464. Its totient is φ = 767424.

The previous prime is 1343113. The next prime is 1343161. The reversal of 1343139 is 9313431.

It is not a de Polignac number, because 1343139 - 2⁸ = 1342883 is a prime.

1343139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1342139) 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, 4422 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (173622).

2^1343139 is an apocalyptic number.

1343139 is a deficient number, since it is larger than the sum of its proper divisors (740325).

1343139 is an equidigital number, since it uses as much as digits as its factorization.

1343139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154 (or 9147 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 1343139 is about 1158.9387386743. The cubic root of 1343139 is about 110.3333962105. Note that the first 4 decimals are identical.

The spelling of 1343139 in words is "one million, three hundred forty-three thousand, one hundred thirty-nine".