129151733454 has 12 divisors (see below), whose sum is σ = 279828755856. Its totient is φ = 43050577812.

The previous prime is 129151733453. The next prime is 129151733461. The reversal of 129151733454 is 454337151921.

129151733454 is a `hidden beast` number, since 1 + 2 + 91 + 517 + 3 + 3 + 45 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129151733453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3587548134 + ... + 3587548169.

It is an arithmetic number, because the mean of its divisors is an integer number (23319062988).

Almost surely, 2^129151733454 is an apocalyptic number.

129151733454 is an abundant number, since it is smaller than the sum of its proper divisors (150677022402).

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

129151733454 is a wasteful number, since it uses less digits than its factorization.

129151733454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175096311 (or 7175096308 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 129151733454 in words is "one hundred twenty-nine billion, one hundred fifty-one million, seven hundred thirty-three thousand, four hundred fifty-four".