129316415770 has 16 divisors (see below), whose sum is σ = 233527760928. Its totient is φ = 51558074640.

The previous prime is 129316415749. The next prime is 129316415777. The reversal of 129316415770 is 77514613921.

It is a super-3 number, since 3×129316415770³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129316415770.

It is not an unprimeable number, because it can be changed into a prime (129316415777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21058236 + ... + 21064375.

It is an arithmetic number, because the mean of its divisors is an integer number (14595485058).

Almost surely, 2^129316415770 is an apocalyptic number.

129316415770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129316415770 is a deficient number, since it is larger than the sum of its proper divisors (104211345158).

129316415770 is a wasteful number, since it uses less digits than its factorization.

129316415770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42122925.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 129316415770 in words is "one hundred twenty-nine billion, three hundred sixteen million, four hundred fifteen thousand, seven hundred seventy".