129734486 has 16 divisors (see below), whose sum is σ = 222565536. Its totient is φ = 55559616.

The previous prime is 129734477. The next prime is 129734491. The reversal of 129734486 is 684437921.

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, 23810 + ... + 28746.

It is an arithmetic number, because the mean of its divisors is an integer number (13910346).

Almost surely, 2^129734486 is an apocalyptic number.

129734486 is a deficient number, since it is larger than the sum of its proper divisors (92831050).

129734486 is a wasteful number, since it uses less digits than its factorization.

129734486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823.

The product of its digits is 290304, while the sum is 44.

The square root of 129734486 is about 11390.1047405193. The cubic root of 129734486 is about 506.2345847869.

The spelling of 129734486 in words is "one hundred twenty-nine million, seven hundred thirty-four thousand, four hundred eighty-six".