129754142016 has 28 divisors (see below), whose sum is σ = 343307834592. Its totient is φ = 43251380608.

The previous prime is 129754142009. The next prime is 129754142033. The reversal of 129754142016 is 610241457921.

129754142016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×129754142016² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337901220 + ... + 337901603.

Almost surely, 2^129754142016 is an apocalyptic number.

129754142016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129754142016 is an abundant number, since it is smaller than the sum of its proper divisors (213553692576).

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

129754142016 is an equidigital number, since it uses as much as digits as its factorization.

129754142016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675802838 (or 675802828 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

Adding to 129754142016 its reverse (610241457921), we get a palindrome (739995599937).

The spelling of 129754142016 in words is "one hundred twenty-nine billion, seven hundred fifty-four million, one hundred forty-two thousand, sixteen".