1105213734 has 40 divisors (see below), whose sum is σ = 2489140368. Its totient is φ = 366523920.

The previous prime is 1105213723. The next prime is 1105213763. The reversal of 1105213734 is 4373125011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1105213698 and 1105213707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14599 + ... + 49229.

Almost surely, 2^1105213734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105213734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244570184).

1105213734 is an abundant number, since it is smaller than the sum of its proper divisors (1383926634).

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

1105213734 is a wasteful number, since it uses less digits than its factorization.

1105213734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34842 (or 34833 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1105213734 is about 33244.7549848093. The cubic root of 1105213734 is about 1033.9084648733.

Adding to 1105213734 its reverse (4373125011), we get a palindrome (5478338745).

The spelling of 1105213734 in words is "one billion, one hundred five million, two hundred thirteen thousand, seven hundred thirty-four".