108153409 has 12 divisors (see below), whose sum is σ = 133844736. Its totient is φ = 85570992.

The previous prime is 108153407. The next prime is 108153413. The reversal of 108153409 is 904351801.

It is not a de Polignac number, because 108153409 - 2¹ = 108153407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108153403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44529 + ... + 46894.

It is an arithmetic number, because the mean of its divisors is an integer number (11153728).

Almost surely, 2^108153409 is an apocalyptic number.

It is an amenable number.

108153409 is a deficient number, since it is larger than the sum of its proper divisors (25691327).

108153409 is an equidigital number, since it uses as much as digits as its factorization.

108153409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91456 (or 91443 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 108153409 is about 10399.6831201725. The cubic root of 108153409 is about 476.4456918823.

The spelling of 108153409 in words is "one hundred eight million, one hundred fifty-three thousand, four hundred nine".