109778130 has 288 divisors, whose sum is σ = 379012608. Its totient is φ = 21772800.

The previous prime is 109778117. The next prime is 109778153. The reversal of 109778130 is 31877901.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1503774 + ... + 1503846.

It is an arithmetic number, because the mean of its divisors is an integer number (1316016).

Almost surely, 2^109778130 is an apocalyptic number.

109778130 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 109778130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189506304).

109778130 is an abundant number, since it is smaller than the sum of its proper divisors (269234478).

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

109778130 is a wasteful number, since it uses less digits than its factorization.

109778130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 109778130 is about 10477.5059055101. The cubic root of 109778130 is about 478.8196257473.

The spelling of 109778130 in words is "one hundred nine million, seven hundred seventy-eight thousand, one hundred thirty".