108759813 has 4 divisors (see below), whose sum is σ = 145013088. Its totient is φ = 72506540.

The previous prime is 108759809. The next prime is 108759821. The reversal of 108759813 is 318957801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318957801 = 3 ⋅106319267.

It is a cyclic number.

It is not a de Polignac number, because 108759813 - 2² = 108759809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108759883) 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, 18126633 + ... + 18126638.

It is an arithmetic number, because the mean of its divisors is an integer number (36253272).

Almost surely, 2^108759813 is an apocalyptic number.

It is an amenable number.

108759813 is a deficient number, since it is larger than the sum of its proper divisors (36253275).

108759813 is an equidigital number, since it uses as much as digits as its factorization.

108759813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36253274.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 108759813 is about 10428.7972940316. The cubic root of 108759813 is about 477.3344919480.

The spelling of 108759813 in words is "one hundred eight million, seven hundred fifty-nine thousand, eight hundred thirteen".