109134648 has 128 divisors (see below), whose sum is σ = 350784000. Its totient is φ = 30792960.

The previous prime is 109134647. The next prime is 109134671. The reversal of 109134648 is 846431901.

109134648 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 3 + 4 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109134643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134163 + ... + 134973.

It is an arithmetic number, because the mean of its divisors is an integer number (2740500).

Almost surely, 2^109134648 is an apocalyptic number.

109134648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109134648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175392000).

109134648 is an abundant number, since it is smaller than the sum of its proper divisors (241649352).

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

109134648 is a wasteful number, since it uses less digits than its factorization.

109134648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 109134648 is about 10446.7529883692. The cubic root of 109134648 is about 477.8822326192.

The spelling of 109134648 in words is "one hundred nine million, one hundred thirty-four thousand, six hundred forty-eight".