1361439 has 12 divisors (see below), whose sum is σ = 2052336. Its totient is φ = 868032.

The previous prime is 1361431. The next prime is 1361441. The reversal of 1361439 is 9341631.

1361439 is a `hidden beast` number, since 13 + 614 + 39 = 666.

It is not a de Polignac number, because 1361439 - 2³ = 1361431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361431) 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, 3082 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (171028).

2^1361439 is an apocalyptic number.

1361439 is a deficient number, since it is larger than the sum of its proper divisors (690897).

1361439 is a wasteful number, since it uses less digits than its factorization.

1361439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606 (or 6603 counting only the distinct ones).

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

The square root of 1361439 is about 1166.8071820142. The cubic root of 1361439 is about 110.8322276760.

The spelling of 1361439 in words is "one million, three hundred sixty-one thousand, four hundred thirty-nine".