129717341628 has 48 divisors (see below), whose sum is σ = 349145766144. Its totient is φ = 36715720320.

The previous prime is 129717341627. The next prime is 129717341629. The reversal of 129717341628 is 826143717921.

It is an interprime number because it is at equal distance from previous prime (129717341627) and next prime (129717341629).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129717341623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7207153 + ... + 7225128.

It is an arithmetic number, because the mean of its divisors is an integer number (7273870128).

Almost surely, 2^129717341628 is an apocalyptic number.

It is an amenable number.

129717341628 is an abundant number, since it is smaller than the sum of its proper divisors (219428424516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129717341628 is a wasteful number, since it uses less digits than its factorization.

129717341628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432402 (or 14432400 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 129717341628 in words is "one hundred twenty-nine billion, seven hundred seventeen million, three hundred forty-one thousand, six hundred twenty-eight".