1135439 has 2 divisors, whose sum is σ = 1135440. Its totient is φ = 1135438.

The previous prime is 1135429. The next prime is 1135451. The reversal of 1135439 is 9345311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1135439 - 2¹² = 1131343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135429) 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 as a sum of consecutive naturals, namely, 567719 + 567720.

It is an arithmetic number, because the mean of its divisors is an integer number (567720).

2^1135439 is an apocalyptic number.

1135439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135439 is an equidigital number, since it uses as much as digits as its factorization.

1135439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 1135439 is about 1065.5698006231. The cubic root of 1135439 is about 104.3248900702.

The spelling of 1135439 in words is "one million, one hundred thirty-five thousand, four hundred thirty-nine".