118729368139 has 4 divisors (see below), whose sum is σ = 118924969024. Its totient is φ = 118533767256.

The previous prime is 118729368137. The next prime is 118729368151. The reversal of 118729368139 is 931863927811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931863927811 = 67 ⋅13908416833.

It is a cyclic number.

It is not a de Polignac number, because 118729368139 - 2¹ = 118729368137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118729368137) 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, 97799532 + ... + 97800745.

It is an arithmetic number, because the mean of its divisors is an integer number (29731242256).

Almost surely, 2^118729368139 is an apocalyptic number.

118729368139 is a deficient number, since it is larger than the sum of its proper divisors (195600885).

118729368139 is an equidigital number, since it uses as much as digits as its factorization.

118729368139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195600884.

The product of its digits is 3919104, while the sum is 58.

The spelling of 118729368139 in words is "one hundred eighteen billion, seven hundred twenty-nine million, three hundred sixty-eight thousand, one hundred thirty-nine".