129169701541 has 8 divisors (see below), whose sum is σ = 131231155968. Its totient is φ = 127114974000.

The previous prime is 129169701539. The next prime is 129169701599. The reversal of 129169701541 is 145107961921.

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 129169701541 - 2¹ = 129169701539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129169701491 and 129169701500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129169701511) 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, 1643005 + ... + 1719826.

It is an arithmetic number, because the mean of its divisors is an integer number (16403894496).

Almost surely, 2^129169701541 is an apocalyptic number.

It is an amenable number.

129169701541 is a deficient number, since it is larger than the sum of its proper divisors (2061454427).

129169701541 is an equidigital number, since it uses as much as digits as its factorization.

129169701541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363443.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 129169701541 in words is "one hundred twenty-nine billion, one hundred sixty-nine million, seven hundred one thousand, five hundred forty-one".