129054319734 has 16 divisors (see below), whose sum is σ = 258116414400. Its totient is φ = 43016810760.

The previous prime is 129054319711. The next prime is 129054319747. The reversal of 129054319734 is 437913450921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95812 + ... + 516999.

It is an arithmetic number, because the mean of its divisors is an integer number (16132275900).

Almost surely, 2^129054319734 is an apocalyptic number.

129054319734 is an abundant number, since it is smaller than the sum of its proper divisors (129062094666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129054319734 is a wasteful number, since it uses less digits than its factorization.

129054319734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647915.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 129054319734 in words is "one hundred twenty-nine billion, fifty-four million, three hundred nineteen thousand, seven hundred thirty-four".