139094305867 has 4 divisors (see below), whose sum is σ = 151739242776. Its totient is φ = 126449368960.

The previous prime is 139094305843. The next prime is 139094305871. The reversal of 139094305867 is 768503490931.

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 139094305867 - 2²³ = 139085917259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139094305807) 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, 6322468438 + ... + 6322468459.

It is an arithmetic number, because the mean of its divisors is an integer number (37934810694).

Almost surely, 2^139094305867 is an apocalyptic number.

139094305867 is a deficient number, since it is larger than the sum of its proper divisors (12644936909).

139094305867 is a wasteful number, since it uses less digits than its factorization.

139094305867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644936908.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 139094305867 in words is "one hundred thirty-nine billion, ninety-four million, three hundred five thousand, eight hundred sixty-seven".