108136783747 has 4 divisors (see below), whose sum is σ = 108914746360. Its totient is φ = 107358821136.

The previous prime is 108136783723. The next prime is 108136783753. The reversal of 108136783747 is 747387631801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747387631801 = 73 ⋅10238186737.

It is a cyclic number.

It is not a de Polignac number, because 108136783747 - 2¹⁵ = 108136750979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108136783247) 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, 388981098 + ... + 388981375.

It is an arithmetic number, because the mean of its divisors is an integer number (27228686590).

Almost surely, 2^108136783747 is an apocalyptic number.

108136783747 is a deficient number, since it is larger than the sum of its proper divisors (777962613).

108136783747 is an equidigital number, since it uses as much as digits as its factorization.

108136783747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777962612.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 108136783747 in words is "one hundred eight billion, one hundred thirty-six million, seven hundred eighty-three thousand, seven hundred forty-seven".