129334454 has 16 divisors (see below), whose sum is σ = 199683792. Its totient is φ = 62791008.

The previous prime is 129334441. The next prime is 129334493. The reversal of 129334454 is 454433921.

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, 10532 + ... + 19224.

It is an arithmetic number, because the mean of its divisors is an integer number (12480237).

Almost surely, 2^129334454 is an apocalyptic number.

129334454 is a deficient number, since it is larger than the sum of its proper divisors (70349338).

129334454 is a wasteful number, since it uses less digits than its factorization.

129334454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911.

The product of its digits is 51840, while the sum is 35.

The square root of 129334454 is about 11372.5306770305. The cubic root of 129334454 is about 505.7137298693.

The spelling of 129334454 in words is "one hundred twenty-nine million, three hundred thirty-four thousand, four hundred fifty-four".