129640307058 has 24 divisors (see below), whose sum is σ = 291290567568. Its totient is φ = 43213435524.

The previous prime is 129640307053. The next prime is 129640307087. The reversal of 129640307058 is 850703046921.

129640307058 is a `hidden beast` number, since 1 + 296 + 4 + 0 + 307 + 0 + 58 = 666.

It is not an unprimeable number, because it can be changed into a prime (129640307051) 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 11 ways as a sum of consecutive naturals, for example, 133374316 + ... + 133375287.

It is an arithmetic number, because the mean of its divisors is an integer number (12137106982).

It is a 1-persistent number, because it is pandigital, but 2⋅129640307058 = 259280614116 is not.

Almost surely, 2^129640307058 is an apocalyptic number.

129640307058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

129640307058 is an abundant number, since it is smaller than the sum of its proper divisors (161650260510).

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

129640307058 is an equidigital number, since it uses as much as digits as its factorization.

129640307058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266749620 (or 266749608 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 129640307058 in words is "one hundred twenty-nine billion, six hundred forty million, three hundred seven thousand, fifty-eight".