129883274 has 16 divisors (see below), whose sum is σ = 199309416. Its totient is φ = 63460800.

The previous prime is 129883253. The next prime is 129883301. The reversal of 129883274 is 472388921.

It can be written as a sum of positive squares in 4 ways, for example, as 58599025 + 71284249 = 7655^2 + 8443^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15764 + ... + 22544.

Almost surely, 2^129883274 is an apocalyptic number.

129883274 is a deficient number, since it is larger than the sum of its proper divisors (69426142).

129883274 is a wasteful number, since it uses less digits than its factorization.

129883274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001.

The product of its digits is 193536, while the sum is 44.

The square root of 129883274 is about 11396.6343277303. The cubic root of 129883274 is about 506.4280385027.

The spelling of 129883274 in words is "one hundred twenty-nine million, eight hundred eighty-three thousand, two hundred seventy-four".