109459788 has 12 divisors (see below), whose sum is σ = 255406200. Its totient is φ = 36486592.

The previous prime is 109459781. The next prime is 109459799. The reversal of 109459788 is 887954901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 109459788.

It is not an unprimeable number, because it can be changed into a prime (109459781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560813 + ... + 4560836.

It is an arithmetic number, because the mean of its divisors is an integer number (21283850).

Almost surely, 2^109459788 is an apocalyptic number.

It is an amenable number.

109459788 is an abundant number, since it is smaller than the sum of its proper divisors (145946412).

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

109459788 is a wasteful number, since it uses less digits than its factorization.

109459788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121656 (or 9121654 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 109459788 is about 10462.3031881130. The cubic root of 109459788 is about 478.3563398577.

The spelling of 109459788 in words is "one hundred nine million, four hundred fifty-nine thousand, seven hundred eighty-eight".