1131834839 has 2 divisors, whose sum is σ = 1131834840. Its totient is φ = 1131834838.

The previous prime is 1131834827. The next prime is 1131834841. The reversal of 1131834839 is 9384381311.

It is a strong prime.

It is an emirp because it is prime and its reverse (9384381311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131834839 is a prime.

Together with 1131834841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131834796 and 1131834805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131834139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565917419 + 565917420.

It is an arithmetic number, because the mean of its divisors is an integer number (565917420).

Almost surely, 2^1131834839 is an apocalyptic number.

1131834839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131834839 is an equidigital number, since it uses as much as digits as its factorization.

1131834839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 1131834839 is about 33642.7531423931. The cubic root of 1131834839 is about 1042.1438883210.

The spelling of 1131834839 in words is "one billion, one hundred thirty-one million, eight hundred thirty-four thousand, eight hundred thirty-nine".