109313988 has 48 divisors (see below), whose sum is σ = 295034880. Its totient is φ = 30854304.

The previous prime is 109313977. The next prime is 109313993. The reversal of 109313988 is 889313901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868 + ... + 14811.

It is an arithmetic number, because the mean of its divisors is an integer number (6146560).

Almost surely, 2^109313988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109313988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147517440).

109313988 is an abundant number, since it is smaller than the sum of its proper divisors (185720892).

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

109313988 is a wasteful number, since it uses less digits than its factorization.

109313988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776 (or 15774 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 109313988 is about 10455.3329932623. The cubic root of 109313988 is about 478.1438559098.

The spelling of 109313988 in words is "one hundred nine million, three hundred thirteen thousand, nine hundred eighty-eight".