129543532 has 12 divisors (see below), whose sum is σ = 227124016. Its totient is φ = 64650960.

The previous prime is 129543511. The next prime is 129543541. The reversal of 129543532 is 235345921.

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, 27768 + ... + 32095.

Almost surely, 2^129543532 is an apocalyptic number.

It is an amenable number.

129543532 is a deficient number, since it is larger than the sum of its proper divisors (97580484).

129543532 is a wasteful number, since it uses less digits than its factorization.

129543532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60408 (or 60406 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 129543532 is about 11381.7192022998. The cubic root of 129543532 is about 505.9860901153.

The spelling of 129543532 in words is "one hundred twenty-nine million, five hundred forty-three thousand, five hundred thirty-two".