129362507845 has 32 divisors (see below), whose sum is σ = 168285237120. Its totient is φ = 95082731520.

The previous prime is 129362507843. The next prime is 129362507851. The reversal of 129362507845 is 548705263921.

It is not a de Polignac number, because 129362507845 - 2¹ = 129362507843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129362507792 and 129362507801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129362507843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7048641 + ... + 7066969.

It is an arithmetic number, because the mean of its divisors is an integer number (5258913660).

It is a 1-persistent number, because it is pandigital, but 2⋅129362507845 = 258725015690 is not.

Almost surely, 2^129362507845 is an apocalyptic number.

It is an amenable number.

129362507845 is a deficient number, since it is larger than the sum of its proper divisors (38922729275).

129362507845 is a wasteful number, since it uses less digits than its factorization.

129362507845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 129362507845 in words is "one hundred twenty-nine billion, three hundred sixty-two million, five hundred seven thousand, eight hundred forty-five".