139393827715 has 16 divisors (see below), whose sum is σ = 175819387968. Its totient is φ = 105887981056.

The previous prime is 139393827707. The next prime is 139393827719. The reversal of 139393827715 is 517728393931.

It is a cyclic number.

It is not a de Polignac number, because 139393827715 - 2³ = 139393827707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139393827715.

It is not an unprimeable number, because it can be changed into a prime (139393827719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408042 + ... + 4439551.

It is an arithmetic number, because the mean of its divisors is an integer number (10988711748).

Almost surely, 2^139393827715 is an apocalyptic number.

139393827715 is a deficient number, since it is larger than the sum of its proper divisors (36425560253).

139393827715 is a wasteful number, since it uses less digits than its factorization.

139393827715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847758.

The product of its digits is 8573040, while the sum is 58.

The spelling of 139393827715 in words is "one hundred thirty-nine billion, three hundred ninety-three million, eight hundred twenty-seven thousand, seven hundred fifteen".