129743356594 has 8 divisors (see below), whose sum is σ = 194616697500. Its totient is φ = 64871124096.

The previous prime is 129743356573. The next prime is 129743356607. The reversal of 129743356594 is 495653347921.

It can be written as a sum of positive squares in 2 ways, for example, as 88528266369 + 41215090225 = 297537^2 + 203015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142782 + ... + 529030.

Almost surely, 2^129743356594 is an apocalyptic number.

129743356594 is a deficient number, since it is larger than the sum of its proper divisors (64873340906).

129743356594 is a wasteful number, since it uses less digits than its factorization.

129743356594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554204.

The product of its digits is 24494400, while the sum is 58.

The spelling of 129743356594 in words is "one hundred twenty-nine billion, seven hundred forty-three million, three hundred fifty-six thousand, five hundred ninety-four".