129546667960 has 32 divisors (see below), whose sum is σ = 295169630400. Its totient is φ = 51162733440.

The previous prime is 129546667853. The next prime is 129546667967. The reversal of 129546667960 is 69766645921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129546667967) 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 7 ways as a sum of consecutive naturals, for example, 20494731 + ... + 20501050.

It is an arithmetic number, because the mean of its divisors is an integer number (9224050950).

Almost surely, 2^129546667960 is an apocalyptic number.

129546667960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129546667960 is an abundant number, since it is smaller than the sum of its proper divisors (165622962440).

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

129546667960 is a wasteful number, since it uses less digits than its factorization.

129546667960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40995871 (or 40995867 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 129546667960 in words is "one hundred twenty-nine billion, five hundred forty-six million, six hundred sixty-seven thousand, nine hundred sixty".