1094742140 has 12 divisors (see below), whose sum is σ = 2298958536. Its totient is φ = 437896848.

The previous prime is 1094742101. The next prime is 1094742157. The reversal of 1094742140 is 412474901.

It is a junction number, because it is equal to n+sod(n) for n = 1094742097 and 1094742106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27368534 + ... + 27368573.

It is an arithmetic number, because the mean of its divisors is an integer number (191579878).

Almost surely, 2^1094742140 is an apocalyptic number.

1094742140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1094742140 is an abundant number, since it is smaller than the sum of its proper divisors (1204216396).

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

1094742140 is a wasteful number, since it uses less digits than its factorization.

1094742140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54737116 (or 54737114 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1094742140 is about 33086.8877351739. The cubic root of 1094742140 is about 1030.6327654303.

The spelling of 1094742140 in words is "one billion, ninety-four million, seven hundred forty-two thousand, one hundred forty".