129832953 has 16 divisors (see below), whose sum is σ = 184842240. Its totient is φ = 80864784.

The previous prime is 129832919. The next prime is 129832993. The reversal of 129832953 is 359238921.

It is not a de Polignac number, because 129832953 - 2⁸ = 129832697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129832993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18913 + ... + 24846.

It is an arithmetic number, because the mean of its divisors is an integer number (11552640).

Almost surely, 2^129832953 is an apocalyptic number.

It is an amenable number.

129832953 is a deficient number, since it is larger than the sum of its proper divisors (55009287).

129832953 is a wasteful number, since it uses less digits than its factorization.

129832953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43828.

The product of its digits is 116640, while the sum is 42.

The square root of 129832953 is about 11394.4264006575. The cubic root of 129832953 is about 506.3626278296.

The spelling of 129832953 in words is "one hundred twenty-nine million, eight hundred thirty-two thousand, nine hundred fifty-three".