1094635542 has 256 divisors, whose sum is σ = 3177086976. Its totient is φ = 241920000.

The previous prime is 1094635501. The next prime is 1094635567. The reversal of 1094635542 is 2455364901.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1094635542.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 7249167 + ... + 7249317.

It is an arithmetic number, because the mean of its divisors is an integer number (12410496).

Almost surely, 2^1094635542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1094635542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588543488).

1094635542 is an abundant number, since it is smaller than the sum of its proper divisors (2082451434).

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

1094635542 is a wasteful number, since it uses less digits than its factorization.

1094635542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1094635542 is about 33085.2768161308. The cubic root of 1094635542 is about 1030.5993125122.

It can be divided in two parts, 1094 and 635542, that added together give a palindrome (636636).

The spelling of 1094635542 in words is "one billion, ninety-four million, six hundred thirty-five thousand, five hundred forty-two".