109054890 has 96 divisors (see below), whose sum is σ = 338333760. Its totient is φ = 24923808.

The previous prime is 109054871. The next prime is 109054903. The reversal of 109054890 is 98450901.

109054890 is a `hidden beast` number, since 109 + 0 + 548 + 9 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9109 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (3524310).

Almost surely, 2^109054890 is an apocalyptic number.

109054890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109054890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169166880).

109054890 is an abundant number, since it is smaller than the sum of its proper divisors (229278870).

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

109054890 is a wasteful number, since it uses less digits than its factorization.

109054890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 109054890 is about 10442.9349322880. The cubic root of 109054890 is about 477.7657886341.

The spelling of 109054890 in words is "one hundred nine million, fifty-four thousand, eight hundred ninety".