139301946863 has 4 divisors (see below), whose sum is σ = 139304439288. Its totient is φ = 139299454440.

The previous prime is 139301946851. The next prime is 139301946877. The reversal of 139301946863 is 368649103931.

139301946863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368649103931 = 36313 ⋅10151987.

It is a cyclic number.

It is not a de Polignac number, because 139301946863 - 2⁸ = 139301946607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139301946463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160408 + ... + 1274813.

It is an arithmetic number, because the mean of its divisors is an integer number (34826109822).

Almost surely, 2^139301946863 is an apocalyptic number.

139301946863 is a deficient number, since it is larger than the sum of its proper divisors (2492425).

139301946863 is an equidigital number, since it uses as much as digits as its factorization.

139301946863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492424.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 139301946863 in words is "one hundred thirty-nine billion, three hundred one million, nine hundred forty-six thousand, eight hundred sixty-three".