129170340764 has 24 divisors (see below), whose sum is σ = 226282560000. Its totient is φ = 64518222384.

The previous prime is 129170340713. The next prime is 129170340823. The reversal of 129170340764 is 467043071921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25836737 + ... + 25841735.

It is an arithmetic number, because the mean of its divisors is an integer number (9428440000).

Almost surely, 2^129170340764 is an apocalyptic number.

It is an amenable number.

129170340764 is a deficient number, since it is larger than the sum of its proper divisors (97112219236).

129170340764 is a wasteful number, since it uses less digits than its factorization.

129170340764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10409 (or 10407 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 129170340764 in words is "one hundred twenty-nine billion, one hundred seventy million, three hundred forty thousand, seven hundred sixty-four".