108072135835 has 4 divisors (see below), whose sum is σ = 129686563008. Its totient is φ = 86457708664.

The previous prime is 108072135781. The next prime is 108072135887. The reversal of 108072135835 is 538531270801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538531270801 = 163 ⋅3303872827.

It is a cyclic number.

It is not a de Polignac number, because 108072135835 - 2¹⁵ = 108072103067 is a prime.

It is a super-2 number, since 2×108072135835² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108072135791 and 108072135800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10807213579 + ... + 10807213588.

It is an arithmetic number, because the mean of its divisors is an integer number (32421640752).

Almost surely, 2^108072135835 is an apocalyptic number.

108072135835 is a deficient number, since it is larger than the sum of its proper divisors (21614427173).

108072135835 is an equidigital number, since it uses as much as digits as its factorization.

108072135835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21614427172.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 108072135835 in words is "one hundred eight billion, seventy-two million, one hundred thirty-five thousand, eight hundred thirty-five".