108357729 has 8 divisors (see below), whose sum is σ = 144661440. Its totient is φ = 72146256.

The previous prime is 108357653. The next prime is 108357731. The reversal of 108357729 is 927753801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108357729 - 2¹⁵ = 108324961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108357229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20269 + ... + 25050.

It is an arithmetic number, because the mean of its divisors is an integer number (18082680).

Almost surely, 2^108357729 is an apocalyptic number.

It is an amenable number.

108357729 is a deficient number, since it is larger than the sum of its proper divisors (36303711).

108357729 is an equidigital number, since it uses as much as digits as its factorization.

108357729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46119.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 108357729 is about 10409.5018612804. The cubic root of 108357729 is about 476.7455318567.

The spelling of 108357729 in words is "one hundred eight million, three hundred fifty-seven thousand, seven hundred twenty-nine".