1378359 has 6 divisors (see below), whose sum is σ = 1990976. Its totient is φ = 918900.

The previous prime is 1378339. The next prime is 1378373. The reversal of 1378359 is 9538731.

It is not a de Polignac number, because 1378359 - 2⁷ = 1378231 is a prime.

It is a Duffinian number.

1378359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76567 + ... + 76584.

2^1378359 is an apocalyptic number.

1378359 is a deficient number, since it is larger than the sum of its proper divisors (612617).

1378359 is a wasteful number, since it uses less digits than its factorization.

1378359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153157 (or 153154 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1378359 is about 1174.0353487012. The cubic root of 1378359 is about 111.2894805798.

The spelling of 1378359 in words is "one million, three hundred seventy-eight thousand, three hundred fifty-nine".