139215782143 has 2 divisors, whose sum is σ = 139215782144. Its totient is φ = 139215782142.

The previous prime is 139215782141. The next prime is 139215782149. The reversal of 139215782143 is 341287512931.

It is a weak prime.

It is an emirp because it is prime and its reverse (341287512931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139215782143 - 2¹ = 139215782141 is a prime.

Together with 139215782141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 139215782093 and 139215782102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139215782141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69607891071 + 69607891072.

It is an arithmetic number, because the mean of its divisors is an integer number (69607891072).

Almost surely, 2^139215782143 is an apocalyptic number.

139215782143 is a deficient number, since it is larger than the sum of its proper divisors (1).

139215782143 is an equidigital number, since it uses as much as digits as its factorization.

139215782143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 139215782143 in words is "one hundred thirty-nine billion, two hundred fifteen million, seven hundred eighty-two thousand, one hundred forty-three".