129486532 has 24 divisors (see below), whose sum is σ = 265974464. Its totient is φ = 53993952.

The previous prime is 129486517. The next prime is 129486541. The reversal of 129486532 is 235684921.

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, 61458 + ... + 63529.

Almost surely, 2^129486532 is an apocalyptic number.

It is an amenable number.

129486532 is an abundant number, since it is smaller than the sum of its proper divisors (136487932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129486532 is a wasteful number, since it uses less digits than its factorization.

129486532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125035 (or 125033 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 129486532 is about 11379.2149114076. The cubic root of 129486532 is about 505.9118668334.

The spelling of 129486532 in words is "one hundred twenty-nine million, four hundred eighty-six thousand, five hundred thirty-two".