1134208643 has 2 divisors, whose sum is σ = 1134208644. Its totient is φ = 1134208642.

The previous prime is 1134208633. The next prime is 1134208727. The reversal of 1134208643 is 3468024311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1134208643 - 2⁴ = 1134208627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1134208633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567104321 + 567104322.

It is an arithmetic number, because the mean of its divisors is an integer number (567104322).

Almost surely, 2^1134208643 is an apocalyptic number.

1134208643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134208643 is an equidigital number, since it uses as much as digits as its factorization.

1134208643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1134208643 is about 33678.0142377783. The cubic root of 1134208643 is about 1042.8719444494.

The spelling of 1134208643 in words is "one billion, one hundred thirty-four million, two hundred eight thousand, six hundred forty-three".