129304564 has 12 divisors (see below), whose sum is σ = 226554244. Its totient is φ = 64574784.

The previous prime is 129304559. The next prime is 129304579. The reversal of 129304564 is 465403921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 125664100 = 1908^2 + 11210^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15537 + ... + 22360.

Almost surely, 2^129304564 is an apocalyptic number.

It is an amenable number.

129304564 is a deficient number, since it is larger than the sum of its proper divisors (97249680).

129304564 is a wasteful number, since it uses less digits than its factorization.

129304564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38754 (or 38752 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 129304564 is about 11371.2164696659. The cubic root of 129304564 is about 505.6747690008.

The spelling of 129304564 in words is "one hundred twenty-nine million, three hundred four thousand, five hundred sixty-four".