1143770539 has 2 divisors, whose sum is σ = 1143770540. Its totient is φ = 1143770538.

The previous prime is 1143770483. The next prime is 1143770543. The reversal of 1143770539 is 9350773411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143770539 - 2¹⁷ = 1143639467 is a prime.

It is a super-2 number, since 2×1143770539² = 2616422091768701042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143770939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571885269 + 571885270.

It is an arithmetic number, because the mean of its divisors is an integer number (571885270).

Almost surely, 2^1143770539 is an apocalyptic number.

1143770539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143770539 is an equidigital number, since it uses as much as digits as its factorization.

1143770539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 1143770539 is about 33819.6768021222. The cubic root of 1143770539 is about 1045.7943759559.

The spelling of 1143770539 in words is "one billion, one hundred forty-three million, seven hundred seventy thousand, five hundred thirty-nine".