108740681 has 4 divisors (see below), whose sum is σ = 124275072. Its totient is φ = 93206292.

The previous prime is 108740641. The next prime is 108740699. The reversal of 108740681 is 186047801.

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: 186047801 = 359 ⋅518239.

It is a cyclic number.

It is not a de Polignac number, because 108740681 - 2⁶ = 108740617 is a prime.

It is a super-2 number, since 2×108740681² = 23649071408687522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108740641) 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, 7767185 + ... + 7767198.

It is an arithmetic number, because the mean of its divisors is an integer number (31068768).

Almost surely, 2^108740681 is an apocalyptic number.

It is an amenable number.

108740681 is a deficient number, since it is larger than the sum of its proper divisors (15534391).

108740681 is an equidigital number, since it uses as much as digits as its factorization.

108740681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15534390.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 108740681 is about 10427.8799858840. The cubic root of 108740681 is about 477.3065009135.

The spelling of 108740681 in words is "one hundred eight million, seven hundred forty thousand, six hundred eighty-one".