109387530 has 128 divisors (see below), whose sum is σ = 344309760. Its totient is φ = 24183360.

The previous prime is 109387529. The next prime is 109387567. The reversal of 109387530 is 35783901.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57657 + ... + 59523.

It is an arithmetic number, because the mean of its divisors is an integer number (2689920).

Almost surely, 2^109387530 is an apocalyptic number.

109387530 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 109387530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172154880).

109387530 is an abundant number, since it is smaller than the sum of its proper divisors (234922230).

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

109387530 is a wasteful number, since it uses less digits than its factorization.

109387530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 109387530 is about 10458.8493630992. The cubic root of 109387530 is about 478.2510571121.

The spelling of 109387530 in words is "one hundred nine million, three hundred eighty-seven thousand, five hundred thirty".