108439695 has 144 divisors (see below), whose sum is σ = 245337120. Its totient is φ = 45287424.

The previous prime is 108439691. The next prime is 108439697. The reversal of 108439695 is 596934801.

It is a happy number.

It is not a de Polignac number, because 108439695 - 2² = 108439691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 108439695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108439691) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1117887 + ... + 1117983.

It is an arithmetic number, because the mean of its divisors is an integer number (1703730).

Almost surely, 2^108439695 is an apocalyptic number.

108439695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108439695 is an abundant number, since it is smaller than the sum of its proper divisors (136897425).

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

108439695 is a wasteful number, since it uses less digits than its factorization.

108439695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 108439695 is about 10413.4381930273. The cubic root of 108439695 is about 476.8657111789.

The spelling of 108439695 in words is "one hundred eight million, four hundred thirty-nine thousand, six hundred ninety-five".