108956813 has 16 divisors (see below), whose sum is σ = 126996480. Its totient is φ = 91551600.

The previous prime is 108956801. The next prime is 108956821. The reversal of 108956813 is 318659801.

It is not a de Polignac number, because 108956813 - 2¹⁰ = 108955789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108956833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104348 + ... + 105386.

It is an arithmetic number, because the mean of its divisors is an integer number (7937280).

Almost surely, 2^108956813 is an apocalyptic number.

It is an amenable number.

108956813 is a deficient number, since it is larger than the sum of its proper divisors (18039667).

108956813 is a wasteful number, since it uses less digits than its factorization.

108956813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 108956813 is about 10438.2380218119. The cubic root of 108956813 is about 477.6225216693.

The spelling of 108956813 in words is "one hundred eight million, nine hundred fifty-six thousand, eight hundred thirteen".