139834100027 has 2 divisors, whose sum is σ = 139834100028. Its totient is φ = 139834100026.

The previous prime is 139834099997. The next prime is 139834100053. The reversal of 139834100027 is 720001438931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139834100027 - 2¹⁰ = 139834099003 is a prime.

It is a super-2 number, since 2×139834100027² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139834100327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69917050013 + 69917050014.

It is an arithmetic number, because the mean of its divisors is an integer number (69917050014).

Almost surely, 2^139834100027 is an apocalyptic number.

139834100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

139834100027 is an equidigital number, since it uses as much as digits as its factorization.

139834100027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

Adding to 139834100027 its reverse (720001438931), we get a palindrome (859835538958).

The spelling of 139834100027 in words is "one hundred thirty-nine billion, eight hundred thirty-four million, one hundred thousand, twenty-seven".