1105739685 has 12 divisors (see below), whose sum is σ = 1916615532. Its totient is φ = 589727808.

The previous prime is 1105739681. The next prime is 1105739693. The reversal of 1105739685 is 5869375011.

It is a happy number.

1105739685 is a `hidden beast` number, since 1 + 10 + 573 + 9 + 68 + 5 = 666.

1105739685 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 882446436 + 223293249 = 29706^2 + 14943^2 .

It is not a de Polignac number, because 1105739685 - 2² = 1105739681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 24571993 = 1105739685 / (1 + 1 + 0 + 5 + 7 + 3 + 9 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1105739685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105739681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12285952 + ... + 12286041.

It is an arithmetic number, because the mean of its divisors is an integer number (159717961).

Almost surely, 2^1105739685 is an apocalyptic number.

1105739685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105739685 is a deficient number, since it is larger than the sum of its proper divisors (810875847).

1105739685 is a wasteful number, since it uses less digits than its factorization.

1105739685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24572004 (or 24572001 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 1105739685 is about 33252.6643293436. The cubic root of 1105739685 is about 1034.0724449065.

The spelling of 1105739685 in words is "one billion, one hundred five million, seven hundred thirty-nine thousand, six hundred eighty-five".