1341639 has 12 divisors (see below), whose sum is σ = 2087176. Its totient is φ = 825552.

The previous prime is 1341619. The next prime is 1341677. The reversal of 1341639 is 9361431.

It is not a de Polignac number, because 1341639 - 2¹⁶ = 1276103 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 4¹⁰ + 1 + 6⁷ + 3⁸ + 9⁴ .

1341639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341619) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 5617 + ... + 5850.

2^1341639 is an apocalyptic number.

1341639 is a deficient number, since it is larger than the sum of its proper divisors (745537).

1341639 is a wasteful number, since it uses less digits than its factorization.

1341639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486 (or 11483 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1341639 is about 1158.2914141096. The cubic root of 1341639 is about 110.2923079483.

The spelling of 1341639 in words is "one million, three hundred forty-one thousand, six hundred thirty-nine".