129158136575 has 12 divisors (see below), whose sum is σ = 172475788968. Its totient is φ = 95378316000.

The previous prime is 129158136571. The next prime is 129158136607. The reversal of 129158136575 is 575631851921.

It is not a de Polignac number, because 129158136575 - 2² = 129158136571 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129158136571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198704501 + ... + 198705150.

It is an arithmetic number, because the mean of its divisors is an integer number (14372982414).

Almost surely, 2^129158136575 is an apocalyptic number.

129158136575 is a deficient number, since it is larger than the sum of its proper divisors (43317652393).

129158136575 is a wasteful number, since it uses less digits than its factorization.

129158136575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397409674 (or 397409669 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 53.

The spelling of 129158136575 in words is "one hundred twenty-nine billion, one hundred fifty-eight million, one hundred thirty-six thousand, five hundred seventy-five".