139490156027 has 2 divisors, whose sum is σ = 139490156028. Its totient is φ = 139490156026.

The previous prime is 139490156017. The next prime is 139490156081. The reversal of 139490156027 is 720651094931.

It is a weak prime.

It is an emirp because it is prime and its reverse (720651094931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139490156027 - 2¹⁸ = 139489893883 is a prime.

It is not a weakly prime, because it can be changed into another prime (139490156017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69745078013 + 69745078014.

It is an arithmetic number, because the mean of its divisors is an integer number (69745078014).

Almost surely, 2^139490156027 is an apocalyptic number.

139490156027 is a deficient number, since it is larger than the sum of its proper divisors (1).

139490156027 is an equidigital number, since it uses as much as digits as its factorization.

139490156027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 139490156027 in words is "one hundred thirty-nine billion, four hundred ninety million, one hundred fifty-six thousand, twenty-seven".