108135425 has 6 divisors (see below), whose sum is σ = 134087958. Its totient is φ = 86508320.

The previous prime is 108135413. The next prime is 108135427. The reversal of 108135425 is 524531801.

It can be written as a sum of positive squares in 3 ways, for example, as 1157776 + 106977649 = 1076^2 + 10343^2 .

It is not a de Polignac number, because 108135425 - 2⁶ = 108135361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108135427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2162684 + ... + 2162733.

It is an arithmetic number, because the mean of its divisors is an integer number (22347993).

Almost surely, 2^108135425 is an apocalyptic number.

It is an amenable number.

108135425 is a deficient number, since it is larger than the sum of its proper divisors (25952533).

108135425 is an equidigital number, since it uses as much as digits as its factorization.

108135425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325427 (or 4325422 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 108135425 is about 10398.8184424962. The cubic root of 108135425 is about 476.4192822531.

The spelling of 108135425 in words is "one hundred eight million, one hundred thirty-five thousand, four hundred twenty-five".