1083781494 has 12 divisors (see below), whose sum is σ = 2348193276. Its totient is φ = 361260492.

The previous prime is 1083781477. The next prime is 1083781499. The reversal of 1083781494 is 4941873801.

It is a happy number.

1083781494 is a `hidden beast` number, since 1 + 0 + 83 + 7 + 81 + 494 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083781499) 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 in 5 ways as a sum of consecutive naturals, for example, 30105024 + ... + 30105059.

It is an arithmetic number, because the mean of its divisors is an integer number (195682773).

Almost surely, 2^1083781494 is an apocalyptic number.

1083781494 is an abundant number, since it is smaller than the sum of its proper divisors (1264411782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1083781494 is a wasteful number, since it uses less digits than its factorization.

1083781494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60210091 (or 60210088 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1083781494 is about 32920.8367755135. The cubic root of 1083781494 is about 1027.1816293898.

The spelling of 1083781494 in words is "one billion, eighty-three million, seven hundred eighty-one thousand, four hundred ninety-four".