105139539071 has 12 divisors (see below), whose sum is σ = 122746728888. Its totient is φ = 89794251792.

The previous prime is 105139539059. The next prime is 105139539079. The reversal of 105139539071 is 170935931501.

It is a de Polignac number, because none of the positive numbers 2^k-105139539071 is a prime.

It is a super-2 number, since 2×105139539071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105139539079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3859541 + ... + 3886686.

It is an arithmetic number, because the mean of its divisors is an integer number (10228894074).

Almost surely, 2^105139539071 is an apocalyptic number.

105139539071 is a deficient number, since it is larger than the sum of its proper divisors (17607189817).

105139539071 is an equidigital number, since it uses as much as digits as its factorization.

105139539071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746518 (or 7746511 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 44.

The spelling of 105139539071 in words is "one hundred five billion, one hundred thirty-nine million, five hundred thirty-nine thousand, seventy-one".