1340159 has 2 divisors, whose sum is σ = 1340160. Its totient is φ = 1340158.

The previous prime is 1340153. The next prime is 1340179. The reversal of 1340159 is 9510431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340159 - 2⁸ = 1339903 is a prime.

It is a super-2 number, since 2×1340159² = 3592052290562, which contains 22 as substring.

It is equal to p₁₀₂₈₆₆ and since 1340159 and 102866 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670079 + 670080.

It is an arithmetic number, because the mean of its divisors is an integer number (670080).

2^1340159 is an apocalyptic number.

1340159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340159 is an equidigital number, since it uses as much as digits as its factorization.

1340159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1340159 is about 1157.6523657817. The cubic root of 1340159 is about 110.2517375031.

The spelling of 1340159 in words is "one million, three hundred forty thousand, one hundred fifty-nine".