129390860973 has 8 divisors (see below), whose sum is σ = 188204888736. Its totient is φ = 78418703600.

The previous prime is 129390860959. The next prime is 129390860987. The reversal of 129390860973 is 379068093921.

It is an interprime number because it is at equal distance from previous prime (129390860959) and next prime (129390860987).

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

It is a cyclic number.

It is not a de Polignac number, because 129390860973 - 2⁵ = 129390860941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129390860903) 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 7 ways as a sum of consecutive naturals, for example, 1960467558 + ... + 1960467623.

It is an arithmetic number, because the mean of its divisors is an integer number (23525611092).

Almost surely, 2^129390860973 is an apocalyptic number.

It is an amenable number.

129390860973 is a deficient number, since it is larger than the sum of its proper divisors (58814027763).

129390860973 is a wasteful number, since it uses less digits than its factorization.

129390860973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920935195.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 129390860973 in words is "one hundred twenty-nine billion, three hundred ninety million, eight hundred sixty thousand, nine hundred seventy-three".