1142534539 has 2 divisors, whose sum is σ = 1142534540. Its totient is φ = 1142534538.

The previous prime is 1142534527. The next prime is 1142534573. The reversal of 1142534539 is 9354352411.

It is a weak prime.

It is an emirp because it is prime and its reverse (9354352411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142534539 - 2⁹ = 1142534027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142534498 and 1142534507.

It is not a weakly prime, because it can be changed into another prime (1142534509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571267269 + 571267270.

It is an arithmetic number, because the mean of its divisors is an integer number (571267270).

Almost surely, 2^1142534539 is an apocalyptic number.

1142534539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142534539 is an equidigital number, since it uses as much as digits as its factorization.

1142534539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 1142534539 is about 33801.3984769861. The cubic root of 1142534539 is about 1045.4175323802.

The spelling of 1142534539 in words is "one billion, one hundred forty-two million, five hundred thirty-four thousand, five hundred thirty-nine".