129513052 has 12 divisors (see below), whose sum is σ = 226767856. Its totient is φ = 64722240.

The previous prime is 129513049. The next prime is 129513053. The reversal of 129513052 is 250315921.

It is a self number, because there is not a number n which added to its sum of digits gives 129513052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129513053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153 + ... + 16135.

Almost surely, 2^129513052 is an apocalyptic number.

It is an amenable number.

129513052 is a deficient number, since it is larger than the sum of its proper divisors (97254804).

129513052 is a wasteful number, since it uses less digits than its factorization.

129513052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17148 (or 17146 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 129513052 is about 11380.3801342486. The cubic root of 129513052 is about 505.9464029010.

Adding to 129513052 its reverse (250315921), we get a palindrome (379828973).

The spelling of 129513052 in words is "one hundred twenty-nine million, five hundred thirteen thousand, fifty-two".