108634813 has 24 divisors (see below), whose sum is σ = 132181632. Its totient is φ = 88933824.

The previous prime is 108634793. The next prime is 108634817. The reversal of 108634813 is 318436801.

It is not a de Polignac number, because 108634813 - 2⁵ = 108634781 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 (108634817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98481 + ... + 99577.

It is an arithmetic number, because the mean of its divisors is an integer number (5507568).

Almost surely, 2^108634813 is an apocalyptic number.

It is an amenable number.

108634813 is a deficient number, since it is larger than the sum of its proper divisors (23546819).

108634813 is a wasteful number, since it uses less digits than its factorization.

108634813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 108634813 is about 10422.8025501781. The cubic root of 108634813 is about 477.1515515670.

The spelling of 108634813 in words is "one hundred eight million, six hundred thirty-four thousand, eight hundred thirteen".