102739000105 has 32 divisors (see below), whose sum is σ = 148930594560. Its totient is φ = 66464686080.

The previous prime is 102739000051. The next prime is 102739000109. The reversal of 102739000105 is 501000937201.

It is not a de Polignac number, because 102739000105 - 2¹⁵ = 102738967337 is a prime.

It is a super-2 number, since 2×102739000105² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102739000109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160264 + ... + 480793.

It is an arithmetic number, because the mean of its divisors is an integer number (4654081080).

Almost surely, 2^102739000105 is an apocalyptic number.

102739000105 is the 160265-th decagonal number.

It is an amenable number.

102739000105 is a deficient number, since it is larger than the sum of its proper divisors (46191594455).

102739000105 is a wasteful number, since it uses less digits than its factorization.

102739000105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641329.

The product of its (nonzero) digits is 1890, while the sum is 28.

Adding to 102739000105 its reverse (501000937201), we get a palindrome (603739937306).

The spelling of 102739000105 in words is "one hundred two billion, seven hundred thirty-nine million, one hundred five", and thus it is an aban number.