108439074 has 20 divisors (see below), whose sum is σ = 242984214. Its totient is φ = 36146304.

The previous prime is 108439069. The next prime is 108439117. The reversal of 108439074 is 470934801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77000625 + 31438449 = 8775^2 + 5607^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 334527 + ... + 334850.

Almost surely, 2^108439074 is an apocalyptic number.

108439074 is an abundant number, since it is smaller than the sum of its proper divisors (134545140).

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

108439074 is an equidigital number, since it uses as much as digits as its factorization.

108439074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669391 (or 669382 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 108439074 is about 10413.4083757433. The cubic root of 108439074 is about 476.8648008906.

The spelling of 108439074 in words is "one hundred eight million, four hundred thirty-nine thousand, seventy-four".