108741378939 has 4 divisors (see below), whose sum is σ = 144988505256. Its totient is φ = 72494252624.

The previous prime is 108741378887. The next prime is 108741378959. The reversal of 108741378939 is 939873147801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108741378939 - 2¹² = 108741374843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108741378959) 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, 18123563154 + ... + 18123563159.

It is an arithmetic number, because the mean of its divisors is an integer number (36247126314).

Almost surely, 2^108741378939 is an apocalyptic number.

108741378939 is a deficient number, since it is larger than the sum of its proper divisors (36247126317).

108741378939 is an equidigital number, since it uses as much as digits as its factorization.

108741378939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36247126316.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 108741378939 in words is "one hundred eight billion, seven hundred forty-one million, three hundred seventy-eight thousand, nine hundred thirty-nine".