129054332159 has 4 divisors (see below), whose sum is σ = 129057922416. Its totient is φ = 129050741904.

The previous prime is 129054332123. The next prime is 129054332167. The reversal of 129054332159 is 951233450921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129054332159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129054332189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740659 + ... + 1813284.

It is an arithmetic number, because the mean of its divisors is an integer number (32264480604).

Almost surely, 2^129054332159 is an apocalyptic number.

129054332159 is a deficient number, since it is larger than the sum of its proper divisors (3590257).

129054332159 is an equidigital number, since it uses as much as digits as its factorization.

129054332159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590256.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 129054332159 in words is "one hundred twenty-nine billion, fifty-four million, three hundred thirty-two thousand, one hundred fifty-nine".