140105234024505 has 12 divisors (see below), whose sum is σ = 242849072309220. Its totient is φ = 74722791479712.

The previous prime is 140105234024489. The next prime is 140105234024513. The reversal of 140105234024505 is 505420432501041.

140105234024505 is a `hidden beast` number, since 1 + 4 + 0 + 105 + 2 + 3 + 40 + 2 + 4 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23597647623081 + 116507586401424 = 4857741^2 + 10793868^2 .

It is not a de Polignac number, because 140105234024505 - 2⁴ = 140105234024489 is a prime.

It is a super-2 number, since 2×140105234024505² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140105234024505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1556724822450 + ... + 1556724822539.

It is an arithmetic number, because the mean of its divisors is an integer number (20237422692435).

Almost surely, 2^{140105234024505} is an apocalyptic number.

140105234024505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140105234024505 is a deficient number, since it is larger than the sum of its proper divisors (102743838284715).

140105234024505 is a wasteful number, since it uses less digits than its factorization.

140105234024505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113449645000 (or 3113449644997 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 140105234024505 its reverse (505420432501041), we get a palindrome (645525666525546).

The spelling of 140105234024505 in words is "one hundred forty trillion, one hundred five billion, two hundred thirty-four million, twenty-four thousand, five hundred five".