139424840599 has 4 divisors (see below), whose sum is σ = 152099826120. Its totient is φ = 126749855080.

The previous prime is 139424840591. The next prime is 139424840699. The reversal of 139424840599 is 995048424931.

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 139424840599 - 2³ = 139424840591 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139424840591) 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, 6337492744 + ... + 6337492765.

It is an arithmetic number, because the mean of its divisors is an integer number (38024956530).

Almost surely, 2^139424840599 is an apocalyptic number.

139424840599 is a deficient number, since it is larger than the sum of its proper divisors (12674985521).

139424840599 is a wasteful number, since it uses less digits than its factorization.

139424840599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674985520.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 139424840599 in words is "one hundred thirty-nine billion, four hundred twenty-four million, eight hundred forty thousand, five hundred ninety-nine".