129358953355396 has 24 divisors (see below), whose sum is σ = 227019431703456. Its totient is φ = 64496515015680.

The previous prime is 129358953355369. The next prime is 129358953355399. The reversal of 129358953355396 is 693553359853921.

It is a super-3 number, since 3×129358953355396³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (129358953355399) 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, 30035506 + ... + 34071241.

It is an arithmetic number, because the mean of its divisors is an integer number (9459142987644).

Almost surely, 2^{129358953355396} is an apocalyptic number.

It is an amenable number.

129358953355396 is a deficient number, since it is larger than the sum of its proper divisors (97660478348060).

129358953355396 is a wasteful number, since it uses less digits than its factorization.

129358953355396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64108179 (or 64108177 counting only the distinct ones).

The product of its digits is 3542940000, while the sum is 76.

The spelling of 129358953355396 in words is "one hundred twenty-nine trillion, three hundred fifty-eight billion, nine hundred fifty-three million, three hundred fifty-five thousand, three hundred ninety-six".