1140539 has 2 divisors, whose sum is σ = 1140540. Its totient is φ = 1140538.

The previous prime is 1140533. The next prime is 1140563. The reversal of 1140539 is 9350411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1140533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570269 + 570270.

It is an arithmetic number, because the mean of its divisors is an integer number (570270).

2^1140539 is an apocalyptic number.

1140539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140539 is an equidigital number, since it uses as much as digits as its factorization.

1140539 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 1140539 is about 1067.9602052511. The cubic root of 1140539 is about 104.4808539208.

The spelling of 1140539 in words is "one million, one hundred forty thousand, five hundred thirty-nine".