108340781 has 16 divisors (see below), whose sum is σ = 115741440. Its totient is φ = 101236800.

The previous prime is 108340777. The next prime is 108340783. The reversal of 108340781 is 187043801.

It is a cyclic number.

It is not a de Polignac number, because 108340781 - 2² = 108340777 is a prime.

It is a super-2 number, since 2×108340781² = 23475449655379922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108340783) 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, 137270 + ... + 138056.

It is an arithmetic number, because the mean of its divisors is an integer number (7233840).

Almost surely, 2^108340781 is an apocalyptic number.

It is an amenable number.

108340781 is a deficient number, since it is larger than the sum of its proper divisors (7400659).

108340781 is a wasteful number, since it uses less digits than its factorization.

108340781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 108340781 is about 10408.6877655159. The cubic root of 108340781 is about 476.7206749786.

The spelling of 108340781 in words is "one hundred eight million, three hundred forty thousand, seven hundred eighty-one".