1107638748 has 36 divisors (see below), whose sum is σ = 2826041400. Its totient is φ = 365761056.

The previous prime is 1107638747. The next prime is 1107638797. The reversal of 1107638748 is 8478367011.

1107638748 is a `hidden beast` number, since 1 + 1 + 0 + 7 + 638 + 7 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107638743) 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 11 ways as a sum of consecutive naturals, for example, 139923 + ... + 147626.

It is an arithmetic number, because the mean of its divisors is an integer number (78501150).

Almost surely, 2^1107638748 is an apocalyptic number.

1107638748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1107638748 is an abundant number, since it is smaller than the sum of its proper divisors (1718402652).

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

1107638748 is a wasteful number, since it uses less digits than its factorization.

1107638748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287666 (or 287661 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 1107638748 is about 33281.2071295499. The cubic root of 1107638748 is about 1034.6640987972.

The spelling of 1107638748 in words is "one billion, one hundred seven million, six hundred thirty-eight thousand, seven hundred forty-eight".