108130493 has 4 divisors (see below), whose sum is σ = 108403260. Its totient is φ = 107857728.

The previous prime is 108130487. The next prime is 108130513. The reversal of 108130493 is 394031801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394031801 = 4423 ⋅89087.

It can be written as a sum of positive squares in 2 ways, for example, as 66618244 + 41512249 = 8162^2 + 6443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108130493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108130403) 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, 135788 + ... + 136581.

It is an arithmetic number, because the mean of its divisors is an integer number (27100815).

Almost surely, 2^108130493 is an apocalyptic number.

It is an amenable number.

108130493 is a deficient number, since it is larger than the sum of its proper divisors (272767).

108130493 is an equidigital number, since it uses as much as digits as its factorization.

108130493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272766.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 108130493 is about 10398.5812974655. The cubic root of 108130493 is about 476.4120390651.

The spelling of 108130493 in words is "one hundred eight million, one hundred thirty thousand, four hundred ninety-three".