129016654 has 16 divisors (see below), whose sum is σ = 209165040. Its totient is φ = 59330880.

The previous prime is 129016649. The next prime is 129016661. The reversal of 129016654 is 456610921.

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, 1524 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (13072815).

Almost surely, 2^129016654 is an apocalyptic number.

129016654 is a deficient number, since it is larger than the sum of its proper divisors (80148386).

129016654 is a wasteful number, since it uses less digits than its factorization.

129016654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17955.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 129016654 is about 11358.5498194092. The cubic root of 129016654 is about 505.2991776880.

The spelling of 129016654 in words is "one hundred twenty-nine million, sixteen thousand, six hundred fifty-four".